This is true, but the crushing response to this scandal is clearly disproportionate. Millions of views on videos making crude sexual jokes about a 19 year old is already an incredibly unfortunate situation, and his career got completely halted for years due to (what are now clearly) false accusations.
It should also be said Niemann has also had incredibly good results since the whole thing
So it casts doubt on what Magnus said somewhat
(Of course, on Rogan, I think, Magnus defended the allegations. And of course he's world's strongest player for a reason. Other young players have beaten himm before such as Esipenko and he never said anything like that)
I didn't watch it myself, but there was a recent Netflix documentary on the subject where Magnus claims he was misled by chess.com into believing that they had more concrete evidence than they did.