It also compounds over generations; if you’re the child of first cousins, you really should seek someone who it would take genealogy research to find a common ancestor with. If you’re not, it’s still a serious risk to have kids with anyone too closely related, but level ramifications seem really harsh, especially thinking of situations like adoption where someone could end up there accidentally. And to your point, it isn’t the only way to end up with that kind of risk profile.
He did just reacquire ownership of GOG. Porting software can take time, but this actually might happen in the near future, at least a beta version.
They believed what they did about Jewish people, the queer community, and communists, about as much as modern MAGAs do about the queer community, immigrants, and “Marxists”, and for basically the same reasons. The Nazis practiced cruel violence for propaganda purposes too. There are differences to be sure, but I don’t think you’ll find they’re not huge or terribly ideological.
If you dig far enough, there’s a chance you even find some sexist bullshit in there somewhere