What stunt? He removed an open source library from his own personal account because he felt the nazis shouldn't be using his software. It's kinda like when IBM sold the nazis hardware to keep track of the Jews.
It’s also worth noting that the same result would have happened if I’d died. My will requests the immediate deletion of “all Internet accounts”. Such an action (deleting my GitHub account) would have had a very similar result.
Detaining and deporting people illegally crossing a border is far, far from comparable to the deliberate extermination an religious minority. There are good objections to make regarding treatment of migrants at the border, but this kind of extreme hyperbole seriously cuts away at the credibility of those arguments.