In situations like this, I have this say:
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What was the point to post this on Boards? Were you looking for support or to take a jab at Riot right where they have the ability to see you? Sure, there will be players who agree with you and support your...cause I guess if that's how we want to word it.
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You've been playing since Season 1. That is a TON of years of experience with the game. That much time should've also familiarized you with the game's Terms of Use.
The lesson here is that if another player is displaying behaviors or actions that potentially violate these terms, the proper way to address the situation is to report the player at the end of game and allow Riot to address it. Addressing it in a way that puts you at risk of violating the terms can lead to major consequences such as yours.
Going forward and trolling is immature, I don't know how else to say it. If you do it enough and get reported, account after account will potentially be banned. After so much time won't that be exhausting? Wouldn't it be better to learn from a mistake and move forward in a positive way?
Whether you even consider any of this is up to you, good luck.