Cheating everywhere
The perception of cheating levels is orders of magnitude more than the actual amount. The vast majority of games and players are clean
https://support.chess.com/article/648-what-do-i-need-to-know-about-fair-play-on-chess-com
https://www.chess.com/article/view/online-chess-cheating
https://www.chess.com/article/view/chesscom-update-february-2025#FairPlay
The site closed more than 100,000 accounts in January for fair play violations and has a full team of staff working on reports along with some automated systems for detection.
https://www.chess.com/article/view/fair-play
That said, discussions of cheating, potential cheating, or cheat detection are not allowed in the general forums. If you want to discuss join the following club, once you've been a member for at least 30 days https://www.chess.com/club/cheating-forum