@Riot Games are in a bad spot in low elo/mmr/skill/whateveryouwanttocallit
The games are either stomp or famine. Not just individuals, entire teams. I have been playing at bronze-ish (Down from silver 1 ) and I am not saying I am in anyway good but I have been either carrying my games or looking at the score at 10 min and seeing literally (not joking what so ever in some cases) 0/10 or 2/10 overall. This isn't just a one or even a three time thing. Over my last 10 games; since 6.2 came out really, you can see a clear trend of either winning by a huge margin or losing by an equally huge margin there is little to no "in between".
TL;DR: Match making is screwed you win by a ton or lose by a ton.
This is really just a PSA/Discussion on what you think about this or have you experienced this so make of it what you will.