> the state of the art for resource utilization at scale moved away from virt because we figured out that running full operating systems next to each other as a

> the state of the art for resource utilization at scale moved away from virt because we figured out that running full operating systems next to each other as a bandaid for bad CD and provisioning and resource allocation stories is a shitload of overhead for zero gain And people are moving to OS level virtualization instead. But the point still stands, for any independent datacenter, there is plenty of business sense in using virtulization to serve customers needs. Heck, even for an internal datacenter, hw virtualization makes sense for developement, testing, and general infrastructure. For application specific purposes virtulization was never really a good idea to begin with, plenty of people have said that ever since it became a thing, but "State of the art" was virtualization. Now the developers realise that virtualization wasn't the way to go, and revert back to bare metal, or OS virtualization. It is a classic example of a fad because it was a buzzword.