I believe you that there are literal Nazis on X, just as there are on every social media platform (and society in general). I despise Nazis but again I literally never see them on my feed so I find it hard to believe that this is a major problem or that the platform is boosting that content. If you're seeing a lot of Nazi content then you're probably following the wrong type of accounts.

No, in fact I block every such account I see. I go on Twitter for inspiration of various kinds, not for doomscrolling, although I recognize that that's in vogue. But the owner of the platform has been demonstrated to artificially push posts and accounts into people's timelines and notifications, particularly his own, and he has retweeted, replied to, and otherwise boosted blatantly antisemitic conspiracy theories. It's pretty well documented as something that does actually happen, and not just as some sort of algorithmic quirk.