you are playing the wrong game if you even look at rankings. Just look at iron. like 7/10 matches will be afk bots, one kid with an aimbot doing more then the other 9 players on map combined, or smurf immortal premades going hard af.
Best thing to do is just go for aces and mvp or just FF soon as round 5 hits with the premades.
It's really just this game, most games players get laughed out of the community for dodging fights at their elo.