To be fair, I don't think many people are going to come make a post if they have a troll free, toxicity free game. If everyone in the game is overwhelmingly positive, sure, maybe. But a toxicity free game? I don't think so. So half of it is "no one talks about the neutral/good games". Also, I'd guess part of that is because neutral/good games are the norm. Let's pretend that the vast majority of league games were toxic, I think we'd see a lot more "toxic free game" posts. Contrary to popular belief, though, most games aren't super toxic. So people come post about their rare outlying games - the extremely toxic games. Don't get me wrong, there are plenty of feeders, trolls, etc around. I just don't believe that they're the majority.