Why are there so many smurfs in bronze/iron like my last few games of comp I’ve had gold and plat players who’ve been throwing the game for no reason it’s so annoying I’m trying to rank up but they just want to throw the game

So my friend decided to try out valorant but he has a macbook. He bootcamped the pc (downloaded windows) everything works like a windows pc. But when he tries to run it it says ''something went wrong while trying to launch the game''. Any...