Intentionally Game Throwing in Platinum Divisions (Riot, Listen)

Now I seriously can't begin to comprehend why there are people who go out of their jurisdiction to inflict grief upon RANDOM people that they join forces with, with the intention of WINNING a game, yet there is.

My greatest bane is people who leave me for dead. I play jungle, and nine times out of ten I am the core initiator for my team. Now I've got an individual who is pings "I am on route" to a destination where there are enemies (I should clarify, we are BOTH at full health and mana, against TWO enemies, each of which are half health because they ganked and slayed our top laner. I visually see him on route, he is standing next to me, and then as I engage on the opponents, he is hibernating in the bushes. I am not sure what you are waiting for, but when you pinged you're on the way, your allies PERCEIVED that you were going to do something. Yes, I can take a psychological viewpoint to this perspective, because a vast majority of the competitive aspect relies on psychological understanding.

This action is COMPLETELY strategically unjustified. I am not sure who decides what is game throwing, and what isn't - but I sure as hell would declare this as game throwing. It's refusing to participate as a team, worse. It's acknowledging that you are going to participate as a team, AND THEN refusing to do so. Any individual, CERTAINLY at the Platinum division, knows that in order to win a game you must participate as a team. It is strategically unjustified, because he was not in any danger. Any potential trade with his participation would surely have resulted in a guaranteed fight victory.

http://matchhistory.na.leagueoflegends.com/en/#match-details/NA1/1684428949/38023760?tab=overview