The headcount trap, in 30 seconds: adding people to a late project usually makes it later.
Why this matters
More developers feels like the obvious fix, but every added person multiplies the coordination lines, and past a point each new hire buys you more meetings, more handoffs, and more context split across more heads, not more shipping.
The common mistake
Brooks' law never got repealed; AI made it stricter. Agents amplify direction and skill, not seat count, so the gap between deep teams and big teams is widening every quarter.
How we approach it
The escape is one question swap: stop asking 'how many developers?' and start asking 'how deep, in exactly the skills my roadmap needs?' One ML engineer who has fought a model into production outships five generalists in a meeting about it.
A checklist you can use
The trap: adding people to a late project makes it later
Every added person multiplies coordination lines
More hires can buy meetings, not shipping
The question swap: 'how deep?' instead of 'how many?'
Capability ships. Headcount coordinates.
When to bring in help
Audit your roadmap for the two or three skills it is actually blocked on, and hire depth there first. The rest of the seats can wait, and most of them can stay empty. If the honest answer is that nobody on the team owns this end to end, that's the moment to borrow the depth rather than improvise it.
Takeaway
Thirty seconds, one rule: capability ships, headcount coordinates. Buy depth, not bodies.
Building this? Devxhub → devxhub.com
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