"The world revolves around me. I am more important than my four teammates combined"
You know, if Kobe was like "guys, we're down, but you aren't quitting. I guess you can go play 4v5 then", then Kobe would be out of the league within a year. Instead, he's one of the best players of all time, first round HOF.
Maybe single player games are more your cup of tea. You can go AFK whenever the hell you want in those. But here, you explicitly choose to play a game that has other people involved. Don't play multiplayer games if you aren't willing to play a multiplayer game.