If you feel another member is using disallowed resources you should report them directly to staff but not publicly.
https://support.chess.com/en/articles/8562517-how-do-i-report-someone
It should be noted that accuracy score used here is not a detection method used by the site as the values are more forgiving.
https://support.chess.com/en/articles/8708970-how-is-accuracy-in-analysis-determined
That said, discussions of cheating, potential cheating, or cheat detection are not allowed in the general forums.
How is it possible, that people like these, with this kind of rating, and this level of accuracy in the games are not banned?
[removed -- MS]