I really don't care whether I win a game or not. The 'tryhards' often are better at PvP than I am. My problem with them is the extreme negativity they bring with them when they lose the game.
Of course they are. But I don't think it's nice to see that after a game, you see half of the people have said: no gg / noob / bowspammer / lagger / whatever, just because they are mad they didn't get the win for the leaderboards.
From my experience the real tryhard leave as soon as they get killed, presumably to get into the next game as soon as possible. Also, I don't think you should be playing any online game if "no gg / noob / bowspammer / lagger" bugs you. And besides, negativity will never go away. You can't stop it. Cubecraft has a terribly annoying filter which makes you type out sentences without any curses 3 times before you can actually say what you want, but you can still curse in so many ways.
And thinking that tryhards are the main source of negativity is just plain ignorant as well.