And I would think he would do even worse in a 5 man, then you'd be playing non-pubs.
Degen doesn't really change team fights, the skill points are for chases and cleanup more than anything.
Also, the matchmaking system leaves a lot to complain about. Just went on 6 win streak today, feeling good? Don't worry, you'll lose 8 in a row tomorrow, regardless of how well you play.