They also offer Swiss events: https://support.chess.com/customer/en/portal/articles/1444927-how-do-live-tournaments-work-where-can-i-join-one-?#schedule
That said, if you see an account that has a lot of 2 move losses, it can be reported with it a ticket as that is against the site rules (sandbagging).
I have a problem as well, mine is that the arena won't end. I was playing a three check and it was still going 45 min after it said it would be done. The 0.00 was still there but the tournament didn't end and you could still play. ( I lost 1st because of this glitch ).
I am an average player who likes playing tournaments. Live chess changed the format to arena from swiss some time ago. It's a cool idea, but the way tournament currently proceed is flawed and unfair in my opinion.
I have played several arena tournaments, and it seems to me that your current rating impacts your possible opponent: the system somehow prevents players with a large difference in ratings from facing each other. As a result, there are players with rating 500 who competes against 1600+ players for 1/2/3 places. His/her match history shows that the rating was artificially lowered by losing games in 2 moves. In the tournament however this player does not face the top rated players (like 1800 or 2000) even if s/he has 100% wr. That gives him/her an advantage over someone whose rating corresponds to their level of play.