It is time to give myself a deadline.
I decided that I must give myself a deadline. Tomorrow is the last day of the year I play this game. I lost 6 ranked games in a row today. Literally every game everyone was feeding horribly. Tomorrow afternoon I will try play ranked one more time with a cleared mind. If I can climb back up, I will assume today was just the most unlucky day possible. If I still can't get 50% winrate, I'm quitting.
I have won vs diamond people multiple times in the past. And I cannot deal with losing in Gold and eventually getting demoted to Silver. This game's ranked system does not work well at all, it's currently bullshitting me, and I must quit if it keeps this up.
I'm making my post to reinforce my decision. A few years of bad IRL things made me quite depressed, and now on top of all that I am getting suicidal over this game taking a shit on my efforts to improve and succeed AT LEAST at this. I must stop before this further destroys day after day of my already shitty life. Tomorrow is the last day I take any BS from this game.