ok first of all... you're not SUPPOSED to "carry your games"
YOU are not the entire team..
you make up 10% of players on the team. and can control about 10% of the outcome IF you are properly placed
if you do exactly the same every game then you control even less of the game because you are the constant while the other 9 team members are the variables.
if you put faker in a game with 4 people who choose to surrender at 20... he still can't override the surrender vote.
i have learned that your rank has much less to do with your skill than it does with the AMOUNT you play ranked..
obviously there are clear exceptions to this...
but the point im trying to make is .. if you have a plat skill level and you play one ranked game a day... because of the randomness of teammates and the fundamental truth of you cannot control what your teammates do. they are going to climb MUCH slower than say a "gold" player who plays 10 games a day
so the gold player might in up in gold 3 while the "plat player" who plays ranked less might end up in silver 2.
even though the plat player is BETTER.
obviously you need to BE at that skill level to REACH that level (unless you get boosted)
but a higher rank does NOT mean you are "better" than them.
i have met people in bronze 4 that could beat half the golds i face.