I think the key point from the OP you're missing here is mentorship/training to avoid all of the issues you described. I don't think the OP was advocating for h

I think the key point from the OP you're missing here is mentorship/training to avoid all of the issues you described. I don't think the OP was advocating for hiring the best generalist you can find and then just throwing them to the wolves and expecting senior-level productivity.