If you are 0/7, stop holding the rest of the team hostage
When 3 people are over your feeding ass's attitude of "we got late game" or "why ff", it's time to ff, and stop holding the rest of us prisoner/hostage for your amusement.
Not everyone likes being one shotted by someone they didn't feed, for 20+ minutes.
High elo/smarter players know when to give up. They know there is a point of no return. Riot games themselves ended after a bug in their game, ended an LCS match claiming there was little to no chance of that team coming back. Go watch some high elo streamers, and u'll see their matches basically open after a certain point. They don't give up, they accept that they cannot win a team fight because they are so behind.
Stop with the "fake positivity". Just makes you look like a troll, and an asshole. And all you do is waste your team mates time. Just... Stop. It's annoying.
10 times out of 10, when we have the guy that is 0/7 saying we have the late game, we don't make it to late game and lose minutes afterwards. Just.... Stop.