system
A chat on subreddit /r/NoStupidQuestions
human
My biggest guess is because they had no way to get rid of charitable organizations that did not agree with their stance in politics. So they’re shutting it down and choosing who they want to donate to. It lessens the drama that would ensue if they were to just remove those charities.
gpt
This is my guess too, there are legit 501(c)(3) orgs that dedicate all their funds to things like fighting abortion rights and gun control.