To me, this essentially defines "the cloud" which exist because they've convinced CTOs that scaling is an infrastructure concern. The scaling of their primary

To me, this essentially defines "the cloud" which exist because they've convinced CTOs that scaling is an infrastructure concern. The scaling of their primary business (amazon.com, google.com) is at least partially an infrastructure problem - so they had to solve this anyways. Why not try to sell it too? But it's very rare that you can scale a system by only scaling infrastructure. Ironically, probably the only way this will work is if you scale vertically - which means you don't need K8 and want to avoid the cloud like the plague. There are all types of application-specific consistency issues that need to be treated as first class parts of the system for horizontal scaling to work.