Chess.com put out a massive publication proving he cheated a hell of a lot more than "once or twice when he was younger".
Because if he's not cheating, he's literally the prodigal child of AlphaZero and Bobby Fischer and should be crowned the GOAT immediately. Some of his play is unreal.
There are more examples of him playing games with 100% accuracy against fellow GMs in the past few years than Magnus has had in his entire career IIRC. Some of his losses are against much lower rated opponents and somehow he manages to play some of the most accurate games against the highest rated opponents.
Honestly, what needs to happen is chess needs to be replaced with Fischer Random, and matches played in significantly faster time controls so players don't have the time to have moves evaluated and transmitted to them.