Correct. It isn't just programming. You actually summarized it well when you wrote that people need to do other things (besides programming or besides whatever

Correct. It isn't just programming. You actually summarized it well when you wrote that people need to do other things (besides programming or besides whatever it is they identify so closely with) so that they don't resent others for "sliding" into their world. People with more than one passion will generally find less time to resent and more time to educate :)