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Drew Marshall
Drew Marshall

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The Hidden Cost of “Move Fast and Break Things”

For a long time, the software industry rewarded speed above almost everything else.

Ship faster.
Scale faster.
Prototype faster.
Iterate faster.

And to be fair, that mindset helped create an incredible era of innovation.

A lot of amazing products probably never would have existed without teams willing to move quickly and experiment aggressively.

But over time, I think the industry accidentally normalized something dangerous:

Treating long-term maintainability like someone else’s future problem.


Speed Solves Early Problems Very Well

When you’re building something from nothing, speed matters.

You need:

  • validation
  • momentum
  • iteration
  • feedback
  • traction

Perfect architecture on day one is usually unrealistic.

I don’t think most developers disagree with that.

The problem starts when temporary shortcuts slowly become permanent operational realities.

Because eventually:

  • startups become platforms
  • prototypes become production systems
  • side projects become businesses
  • internal tools become critical infrastructure

And suddenly the codebase everyone rushed together six years ago is now responsible for:

  • customer operations
  • revenue flow
  • infrastructure
  • compliance
  • integrations
  • scaling
  • reliability

That’s where the real cost begins appearing.


Complexity Accumulates Quietly

One thing I’ve noticed is that bad architecture rarely explodes immediately.

It accumulates.

Slowly.

Almost invisibly.

At first it looks manageable:

  • one workaround
  • one patch
  • one duplicate system
  • one hidden dependency
  • one rushed integration

Then years later:

  • onboarding becomes difficult
  • debugging becomes painful
  • deployments become risky
  • systems become fragile
  • teams become slower
  • technical debt becomes operational debt

Eventually the system itself starts resisting change.

Not because the developers are bad.

Because complexity compounds over time.


The Industry Sometimes Confuses Motion With Progress

One thing I’ve become increasingly cautious about is how often modern development culture rewards visible activity over sustainable architecture.

There’s enormous pressure to:

  • constantly ship
  • constantly announce
  • constantly pivot
  • constantly rebuild
  • constantly chase trends

But sustainable systems usually aren’t built through chaos.

They’re built through:

  • consistency
  • clarity
  • operational thinking
  • maintainable architecture
  • disciplined iteration

A system surviving for ten years is often more impressive than a system shipping ten features in one month.

But the industry rarely celebrates that kind of engineering patience.


Operational Problems Eventually Become Human Problems

This is the part I think we underestimate the most.

Poor architecture doesn’t just affect servers.

It affects people.

Eventually:

  • developers burn out
  • teams become frustrated
  • businesses become dependent on fragile systems
  • customers lose trust
  • organizations become afraid to change anything

I’ve seen situations where:

  • simple deployments become terrifying
  • nobody fully understands the system anymore
  • critical infrastructure relies on undocumented behavior
  • replacing one feature risks breaking five others

At that point, the problem is no longer technical.

It’s organizational.


AI Is About to Amplify This Problem

I actually think AI makes sustainable architecture more important, not less.

Because AI is extremely good at producing:

  • implementation
  • boilerplate
  • repetitive patterns
  • rapid iteration

But speed without structure can generate enormous amounts of hidden complexity very quickly.

Generated code still needs:

  • boundaries
  • contracts
  • operational clarity
  • maintainability
  • observability
  • lifecycle planning

Otherwise we risk creating systems that grow faster than humans can realistically understand them.

That’s not acceleration.

That’s architectural debt at machine speed.


“Move Fast” Isn’t the Real Problem

To be clear:
I don’t think speed itself is bad.

Some of the best engineering breakthroughs come from experimentation and momentum.

The real issue is when:

  • architecture becomes an afterthought
  • operational clarity disappears
  • maintainability stops mattering
  • systems are optimized only for immediate output

Because eventually every fast-moving system slows down.

The question is whether the architecture supports evolution when that happens.


Why I’ve Become More Interested in Explicit Systems

The longer I work on systems like:

  • WebEngine
  • KiwiPress
  • Nectarine
  • Seltzer
  • Juice

the more I care about:

  • explicit contracts
  • predictable pipelines
  • observable systems
  • modular architecture
  • lifecycle-aware infrastructure
  • operational readability

Not because those ideas are trendy.

Because systems eventually outlive the excitement phase.

And when they do, maintainability becomes one of the most valuable engineering features imaginable.


Software Is Becoming Infrastructure

I think one reason this matters so much now is because software increasingly is infrastructure.

It runs:

  • businesses
  • logistics
  • healthcare
  • education
  • communication
  • finance
  • utilities
  • media
  • governments

We’re no longer just building experimental web pages.

We’re building operational ecosystems people depend on daily.

That changes the responsibility attached to architecture decisions.


I Think the Industry Is Slowly Shifting

Interestingly, I think we’re already starting to see signs of a shift.

More developers are talking about:

  • platform engineering
  • system design
  • observability
  • contracts
  • maintainability
  • portability
  • infrastructure ownership

Not just:

  • shipping faster
  • rewriting everything yearly
  • chasing frameworks endlessly

I think people are starting to realize that sustainable systems matter.

Especially as applications become larger and more interconnected.


Final Thoughts

I still believe experimentation matters.

I still believe iteration matters.

I still believe speed matters.

But I also think sustainable engineering deserves far more attention than it gets.

Because eventually:

  • every shortcut compounds
  • every hidden dependency matters
  • every unclear system creates friction
  • every architectural decision affects real people

And the longer software becomes part of everyday life, the more important long-term thinking becomes.

Maybe the future isn’t:

“move fast and break things.”

Maybe the future is:

“build clearly enough that things don’t have to break constantly in the first place.”

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