People seem to be making a big deal about this. What is the controversy surrounding microsoft acquiring github? I mean, it's one big, evil corporation taking ov

People seem to be making a big deal about this. What is the controversy surrounding microsoft acquiring github? I mean, it's one big, evil corporation taking over another, so what's the difference? Not trying to troll, I just don't know the negatives from this. I have a github account and want to know if there's a valid reason to move it.