Ops is when what you made collides with reality. Replacing "ops" in your post with "reality" gave me a good chuckle.

Exactly. The field is already too complicated, you can learn a lot without learning literally everything.

Actually, no one learns literally everything. "DevOps" mean that developers should prioritize learning ops over learning deeper something else (because ultimately there are only 24 hours in a day). Which sounds crazy to me; it would be better if the team had experts on different things cooperating together, rather than everyone being mediocre at everything.

That said, companies love replaceable people, or at least they love to imagine that everyone is replaceable. So when everyone becomes DevSecOpsCloudAccountantJanitor, it feels like as long at they keep one such person in the company, they got everything covered.