Maybe rules aren't bad,but Riot incapability to implement them is obvious. They cant detect most of the trolls and intentionall feeders,but they program can detect when you flame... That is just one example how rules means nothing when you cant implement them...
Yeah, they can detect toxicity consistently and with ease because it's usually always a clear cut case. If someone types out a flagged word it's easy to match that to the word in your database and come up with a match, it's not like Riot is purposefully prioritizing flagging toxicity over intentional feeders, the automated system does it because it's the easiest thing it can do.
Do you know why some gameplay related offenses go unpunished? Because in 90% of cases the person's intention isn't always clear. Let's say you have a Master Yi jungle, he finished 8/15/15. Decent kill participation, moderate ward score, 2nd highest CS on your team, and got 3/5 dragons.
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Is that person a troll? Are you sure? If so, how do you design an automated system to go through hundreds of millions of games and detect trolls without fail?
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Is that person intentionally feeding? They had two deaths that seemed sketchy... but it might have just been a poor engage.
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What if they just genuinely played poorly?
So you decide to make a decision.
- Uh oh, you punished that player and it turns out they were just having a bad game, now they're not going to continue playing or spending money, they're also going to badmouth League so none of their friends try it.
#or
- You go based off of the statistical evidence and let the player go. Now you have 4 people complaining about them getting an inter in their games and next thing you know they int out of frustration or AFK out of anger, they spread the word that Riot doesn't punish players for intentionally feeding and now 20 other people start doing it because why not?
Now obviously this is a bit of an extremist view of things, but it does happen more than you'd expect and my point is that it's not as easy as just flipping a switch. If there was an end-all solution to trolls, Riot would have implemented it by now.
Also, even though everyone on the Boards will disagree and probably downvote me for saying this, intentional feeders, AFKers, and trolls do get punished. Just because it doesn't happen as often as you like isn't indicative of Riot giving them a pass.
And That is my friend one of the reasons why Riot community is so toxic
The OP said Riot is the cause of toxicity.
Which is false, ignorant, and frankly childish to claim.