Okay, but what you don't see is that every competitive game has some form of the same system. Whether it's hidden or ranked, every game uses skill in some way to measure who you play, the key factor is how much they use it.
Playing in div 5 and the games I play are rather evenly spread, some I lose, some I win, and occasionally I draw. I wouldn't be surprised if they were actually using a form of engagement based matchmaking. Mainly because of the constant highs and lows, and partly due to the fact most companies do it because they all want your time.
I don't know how much you play the game but it's been this way for years now, I'm only playing casually so I'm not really caring where I end up anymore. Unfortunately none of us can change the way companies are set up, that's why I take time to play other games. It also makes the gameplay feel less frustrating because you aren't seeing it all the time.
I'm just giving my experience of how the game is, because I've had so many conversations with people that say there is no skill in the game now. It's frustrating because there is a clear skill gap and people just can't accept they aren't at thay level yet.