Chess.com states that he likely cheated over 100 times two years ago and thus that is why he was banned from the service. However it was out of the jurisdiction to guess if any cheating occurred in OTB games.
A quick tldr for people who wont read the article regardless.
bloated_canadian t1_ir5k3lo wrote
Reply to WSJ: Chess Investigation Finds That U.S. Grandmaster ‘Likely Cheated’ More Than 100 Times by neighborhood-chad
Chess.com states that he likely cheated over 100 times two years ago and thus that is why he was banned from the service. However it was out of the jurisdiction to guess if any cheating occurred in OTB games.
A quick tldr for people who wont read the article regardless.