I had a manager who scolded me in me in public on a non-IT floor because I used child classes and overloading of methods which "is too hard to read". Instead use "lots of ifs and else's". This is the guy that had a JSP so large (be cause he had so many ifs) that it couldn't be compiled even on a server.

The best karma happened a few months later. I was looking for a new job (wonder why?) and was very deep in the interview process - like round 5- of company A. I got talking to this jackass, who had no idea I was interviewing, said "yeah I applied to company A once. Couldn't get past the first round. Great benefits, though.". Me getting the job a week later was the best thing ever.