How to Play Support According to a Random Teammate

Funniest shit I've heard all day. According to a teammate, from a game I just had, the role of support is the equivalent of all 5 roles put together. Yi: we have no cc no tanks our team teemo, yi, talon, cait, bard(me) enemy team fiora, annie, zac, thresh, jinx me: well you picked your champion dont blame others if you fail to play them Yi: (Not his actual words but close enough) you have no right to say that or apply that to me Yi: You can only say that once you manage to ult the back line and peel off everyone whilst doing all the damage and split their whole team apart