> Wasting your time... Forcing you to do their work for them

The one forced to do their work for them, are the teammates. Not the manager. The manager only care of it to be done. How it is done: doesn't matter.

I would argue that one of the main reason for meat proxy, is security boundaries.

In the majority of companies with a certain scale, no one can run an AI agent that will do the project from A to Z. You always need to raise at one point ticket to someone else, a human, it cannot even be done by an automated system (technically it could of course, but acceptable by governance... unfortunately no) .