What happened to this game

I've been playing this game for almost a decade. In the past if you hard ran it down or trolled obviously you would get a ban or a warning. Now you can troll all you want as long as you don't say anything bad. Pros, high elo players, and low elo players agree that people hard troll and ruin games. So many players get banned for telling people to stop trolling but those trolls don't get banned. Why won't riot fix this blatant problem?
Best New

We're testing a new feature that gives the option to view discussion comments in chronological order. Some testers have pointed out situations in which they feel a linear view could be helpful, so we'd like see how you guys make use of it.

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