Is matchmaking broken?

So a week ago i was gold 2 and after some point i started gettin teamed up with players that would feed endesly or troll and its the same till today . 80% of my bot will feed so much everytime making the game impossible to win and i got to the point that i gain 14-15 lp and lose 21-22 in gold 4. Is anyone else having the same problem ? I think this started after the last patch.
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