He bought a social network out of a sense of right-wing grievance and unbanned far right activists and self-described neonazis and white nationalists. That's a good place to start if you're looking for more there's more though you should look for.
If you don't believe it you might be? My stance is based on my experience as an active twitter user where racism, antisemitism, eugenics, and trans elimination rhetoric have gone from frequent to constant since he took over. There is an openly genocidal nationalist movement brewing in the US and musk is in the replies of their prominent figures dropping thinking-face and "interesting" a couple times a week. Some of them were banned and he unbanned them when he took over. Not sure how you judo that observation into echo chamber.
