The newish Microsoft seems to be more understanding of this sort of thing with supporting Linux with Office and giving Windows 10 away for free.

This would instantly improve their reputation among the entire developer community. DMCA is an abusive mess that is constantly used to attack legitimate open-source work, research, or simply just by bad actors to take down literally anything they want from the internet.

The big websites like Reddit don't care about legitimacy, it's all automated agreement, I've seen entire subreddits taken down due to fake DMCA requests by someone who didn't like what the subreddit was about (And it was too small of a place for it to make enough noise to matter to anyone, nor did anyone try or know how to try). We hear small samples of it here on HN but who knows the amount of abusive and unwarranted DMCA notices that you never hear about.