I played console, and started at silver. Two seasons later, I was in masters as a support player.
I made a dps smurf on console, placed plat, and climbed to high diamond.
I moved to PC, placed gold, and got to masters as a support player.
I made a smurf, placed plat, and moved up to diamond.
ELO hell doesn’t exist, you are almost always within 200sr of where you should be. Watch a streamer and learn a character instead of complaining about how unlucky you are. This recent season proves how insane your theory is.