[gerhardlazu]

> Does this imply there is a cloud abstract layer that should come

crossplane.io comes closest afaik

> And is k8s the simplest possible abstraction? And if not - what is?

If you are asking about the simplest possible abstraction for container scheduling and orchestration, then I believe Nomad from HashiCorp or Docker Swarm are simpler. As for managed solutions with wide adoption in all types of environments and the largest investment to date, I am not aware of anything on par with K8S.