Ranked system right now

So what is up with the ranked system? I got placed 1 division under my previous division and stay there with like 45% winrate. (I still get 30 lp per win and only like 15 per lose) I see master players with 40% winrate, how is that even possible? And then again you have people who lvl iron 4 accounts like Rat_Irl who can win 90 games without losing a single one and still be in gold?? This all leads to making a lot of games unwinable against smurfs for sure in gold and lower, and just people like me losing most games and not dropping ranks like we should.
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