I don't think he really used assistance. He recorded his games on stream, everybody can watch how he played himself. I think admins banned him by mistake.
see others games no mistake this player is super player you must play for champion of the world
yes, very talented young player
if i can t just play like him aaaaa he is new talent 2017g.
OP, if you feel you have been marked incorrectly, contact staff at contact@lichess.org. It is not advised to post about it here. As you can see, it just provokes insults from both sides.