play for the team or not at all

It isn't about just you. You are playing on a team, and that means just because you aren't doing as well as what you want, you don't give up.

If you are playing aram, and you happen to have a tank, then play as a tank. Your cc is there for a reason, and it isn't to protect just yourself. Play for the team.

Play for the team, or don't play at all.