It doesn't matter if the match wasn't fixed or if it isn't even true that they colluded to share the prize pool. Any collusion that seeks to make the game anything other than two teams playing at their absolute best with resolve to win delegitimises the game and robs the fans of what they came to see. It is as much a contrivance as a fixed outcome or scripted game.
I am in no way defending what they did, but the ARAM game is a grey area to the majority of fans who follow LoL,
the best "kind of" example I could give in sc2 would be something like playing offrace, or never going to hive/T3 on purpose or along those lines, the ARAM game itself was actually enjoyable to watch to most people
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