> it's because you do not care.

I personally do it mainly because I don’t want to be associated with certain types of loud ideological fundamentalists and zealots. I might occasionally use Linux or even BSD in private without telling anyone but certainly not where anyone can see, don’t want other people to think I’m a loon..

> What gives these corporations the moral right to tell me what I can or can't do on my computer?

Nobody and they obviously don’t have that right. Or are game dev company executives literally forcing you to install and play their game?