Well, both really. Even with open source, if I want to license my code under whatever license for whatever reason, I can't use GPL code. And I'm not arguing fo

Well, both really. Even with open source, if I want to license my code under whatever license for whatever reason, I can't use GPL code. And I'm not arguing for people to not use GPL. All I'm saying is there are valid reasons to use MIT (or whatever) if ones goal is to make their project as usable as possible.