Indeed all of those things existed and they weren’t in widespread use because 99% of organization did not need them. And it hasn't changed.

> 2 sysadmins were absolutely not managing “large scale deployments with multiple data centers”

Please don't make things up because I was there.

> But today it’s actually super plausible that 2 or 3 Devops with modern tooling can manage all of that.

Not really.