The situation I've encountered is a jerk who was actually fairly mediocre in his abilities but whose bully characteristics and brash confidence had led many of the non-technical people in the company to believe he was extremely skilled. I think one reason people become bullies is because they know they can't back up their decisions with skill. Linus is brash, but is quite able to work well with people and has the res…
The truth is he wasn’t very good, at least not to the degree he tried to present.
Some of management loved him because he worked so hard. He was always there, always the one holding things together.
The truth was he was doing that because his methods were shoddy enough that things were always falling apart. He didn’t want others working on stuff because that would either lose his control/power or people would see how bad things really were.
In the end it became too much. As the company grew and things were done without him it became clear just how little he actually accomplished. New employee worked as well and were easy to get along with, not hostile to help.
But we had to suffer with him sabotaging things and dealing with his outbursts for YEARS.