> Emacs is considered unprofessional in a lot of places

What? Why? Who the hell would ever forbid anyone from using a tool that literally makes them more productive? I mean, as the Russians say: "If drinking vodka at work interferes with your job, quit drinking vodka... at that job"

The main argument is that having the same setup on all work stations makes maintenance easier for the sysadmins and you don't run into inconsistencies between developers that only come about as a result of different setups.