Is ChloeDias a bot playing atomic chess?

I've reported this player twice, but the player still haven't been banned by now. So, I would like to ask for your valuable opinions.

https://www.chess.com/variants/atomic/game/28006267/81/1

In this game, two 2200+ players played. Yet, ChloeDias could do most of the moves within 1 second. This resulted in 22 seconds added when the opponent lost. Please also look at the archives showing the ample time left when this player beated opponents of similar ratings.

I would like to skip the discussion on whether ChloeDias has multiple accounts, though the player only played 200 games, and is now rank 12 in the atomic blitz leaderboard having over 3000 active players. Even if the strength of ChloeDias is above players of ratings 2500+ (which is rank 4 of atomic chess), could this player do every move within a second when dealing with a skilled player? My only conclusion is ChloeDias is a bot.

For me whose rating is 2000+, even if I play with opponents of ratings lower than 1500, I could only play within 1 second for the first few standardized moves. This is because if the player could have 2 or more choices to move, my total reaction time would often be over two seconds.

Please comment on whether ChloeDias is a bot. Thank you very much.

After over half a month, the account is finally banned. It would be better if the admins gave a  message to inform that they were investigating the issue.