We're kinda comparing different levels of abstractions here. K8 has its complexities but so does managing VMware vSphere, IBM Websphere or Pivotal CloudFoundry for apps of any complexity -- those are better things to compare in my opinion.
The disruption has always been that vanilla K8 has lifted some traditionally silo'd infrastructure concerns to some intersection of Dev and Ops.
Yes, the old way of "here's a box, IP address and SSH key, install your app" works to a point, but someone has always had to manage the patching, firewall rules, storage & backup, monitoring, load balancing, etc. None of those concerns go away with public cloud, and enough people are still on-prem where silo'd Ops groups are normal. So, Ops groups hack away with Chef and Puppet to make lives easier and automate, but they have to do it without standard APIs or even sane CLI tooling to manage the infra (yes, it's awful).
K8 is nothing more than a set of open-source, vendor agnostic APIs and constructs from which to build platforms. Most start ups do not need to build bespoke platforms. Platforms that are built atop OSS tooling and standards will make a lot sense for a lot folks.
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We're kinda comparing different levels of abstractions here. K8 has its complexities but so does managing VMware vSphere, IBM Websphere or Pivotal CloudFoundry for apps of any complexity -- those are better things to compare in my opinion.
The disruption has always been that vanilla K8 has lifted some traditionally silo'd infrastructure concerns to some intersection of Dev and Ops.
Yes, the old way of "here's a box, IP address and SSH key, install your app" works to a point, but someone has always had to manage the patching, firewall rules, storage & backup, monitoring, load balancing, etc. None of those concerns go away with public cloud, and enough people are still on-prem where silo'd Ops groups are normal. So, Ops groups hack away with Chef and Puppet to make lives easier and automate, but they have to do it without standard APIs or even sane CLI tooling to manage the infra (yes, it's awful).
K8 is nothing more than a set of open-source, vendor agnostic APIs and constructs from which to build platforms. Most start ups do not need to build bespoke platforms. Platforms that are built atop OSS tooling and standards will make a lot sense for a lot folks.