My inbox is on chess is full of such generic boilerplate messages from chess.com; I doubt they really kick anyone off their platform though (unless the player does something extreme):
We've taken action on one of the Stalling / Quitting Games reports that you submitted. (To respect the privacy of our members, we don't specify usernames. Our response may have included warning the member, restricting their activity, or even closing the account.)
You can review our Community Policies here https://www.chess.com/legal/community.
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Thank you very much, Chess.com Support support@chess.com