These petitions are useless. Block, report and move on.
Petition to ban [removed]
You can't blame him for what others do. As the saying goes: "Who's more foolish. The fool or the fool that follows?. If they are cheating they will caught, the account will be closed and he will be back with another account.
He’s either a beginner who’s cheating or a high level player who’s lying about their rating. Both are bad
If another member is using disallowed resources or breaking the site TOS, report.
https://support.chess.com/en/articles/8562517-how-do-i-report-someone
Please don't publicly post asking for another member to be banned
You can sign this petition to ban [removed -- MS], a well known troll here!