Actually referring to a third group that is a sub-set of the two groups you describe.

Actually referring to a third group that is a sub-set of the two groups you describe. This group are the managers that look like high reward “old guys” but really don’t have the management skills and the senior engineers that look like they got past code reviews at Google and have been part of engineering orgs that hum, but are bottom quartile performers who have the title because of the timing or circumstances of entry into the big company.