Please don't make accusations in the forum.
Use the report button to report players you suspect.
The perception of cheating levels is orders of magnitude more than the actual amount.
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-december-2024?alert=content#FairPlay
The site closed more than 74,000 accounts in September 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
https://www.chess.com/club/cheating-forum
So why are accounts like this not closed immediately??? He has won virtually every game on his account