> anything that carries state like a container

Containers don't carry state. They can be made to do so if you wish but there's nothing inherent to them that does it.

> in bigger orgs the standard will probably be K8s. And that has nothing to do any more with the simplicity of containers as mentioned in the article.

K8s can be very simple if there's a platform team ensuring great developer experience. I appreciate that this is likely rarer than you or I would like though.