Why so surprised? I never had a colleague ever using Linux like myself,everyone uses Windows and one time a person also owned a OSX machine. It is obvious that

Why so surprised? I never had a colleague ever using Linux like myself,everyone uses Windows and one time a person also owned a OSX machine. It is obvious that there is a big bias, people that have the time and still enjoy coding puzzles and probably some other groups of people that I don't know about(I never participated).