His shouldn’t be
Yes. Abort is not supposed to be used to pick opponents and if you use it too much, it gets removed and all you can do is resign. That hurts your rating a lot more than beating a lower rated player.
You might want to read this help topic:
https://support.chess.com/customer/en/portal/articles/1444922-fair-play-policy
It will tell you how you can choose settings which will help you avoid low rated players.
His shouldn’t be