Refusing to surrender "We have a better teamfight/lategame/siege/etc"
And then it means nothing when you cannot: perform in a teamfight, don't actually have a way of getting TO your 'late-game', never push more than one lane out or whatever reason people refuse to surrender in ranked.
"But they could throw!"
And a meteor can fall on Riot's Servers and then they hit the loss forgiven button. Will it happen? Probably not. Will you stay in the clearly lost game that no one can win outside of 2 afking on the enemy team? You bet your ass.
End the suffering. Vote yes.