To be fair though, that's true for every profession or skill.
> I mean, I worked with people who were suprised that you can run more applications inside ec2 vm than just 1 app.
I've seen something similar where people were surprised that you can use an object storage (so effectively "make HTTP requests") from every server.
Every company used to have a bespoke collection of build, deployment, monitoring, scaling, etc concerns. Everyone had their own practices, their own wikis to try to make sense of what they had.
I think we critically under-appreciate that k8s is a social technology that is broadly applicable. Not just for hosting containers, but as a cloud-native form of thinking, where it becomes much easier to ask: what do we have here, and is it running well, and to have systems that are helping you keep that all on track (autonomic behavior/control loops).
I see such rebellion & disdain for where we are now, but so few people who seem able to recognize and grapple with what absolute muck we so recently have crawled out of.
I mean, I worked with people who were suprised that you can run more applications inside ec2 vm than just 1 app.