@ Riot, Serious queation about matchmaking

I win a few games and then lose a few. but here is the thing, It's not just someone having a bad game. No its like 4 people having a bad game. And it's not just for one match nope its for several games in a row.

That is all fine and dandy, we all know matchmaking does this bullshit, putting really bad players in your team in an attempt to even out the winrate.

But, and here is my question, WHY

I know it's trying to even the winrate, but why in this manner, it's not just me, or anyone else in that position, who isn't having fun, it's all 10 players whos games are getting ruined. its not fun for the worse player to be matched vs someone who is clearly better i mean 100+ cs discrepancies say enough to me, as does their gameplay when you look at it. But it is not fun for the better players either because they are stomping the shit out of their opponent yay much fun those open mid games after 10 minutes of play . . .

What is the point of ruining the game for 10 players because one of them had a winstreak??? Does not seem logical to me at all.

So i need someone with Rito Logic to explain this to me!