Permitting jerks on the Rift loses Riot money, and since Riot is in the business of making money, toxic baby ragers and potty mouthed children will be sent packing permanently. It's that simple.
Well adjusted people login to play League of Legends for fun - take a moment to try and remember what that is.
Every jerk that infects a match with toxicity/verbal abuse/hate speech creates a negative experience for the 9 other players in the game. Regardless if all 9 mute that person immediately it's simply a killjoy, especially when normal people simply looking to have fun have to endure these little fucks seemingly every other game of their lives on the Rift. These 9 players aren't going to want to continuing playing League, and they're definitely not going to promote the game to friends and family, which results in business lost for Riot.
In case that doesn't resonate, business lost is not acceptable for a company looking to grow, and if they feel it's preventable in any way, shape or form they'll likely take action to put an end to it.
Long story short: toxic baby ragers and potty mouthed children are not wanted by the community and by Riot. Get used to it.
{quoted}
I can say whatever the hell I want to whoever I want in real life, and I want to know why that suddenly changes online.
This is a question obviously asked by someone who has never had the balls to say anything remotely offensive to anyone their entire lives.
That being said, I'm here to help you and answer your question.
In real life you can say whatever you want to people, that is true. However, you'll likely face consequences for such language both immediate (ie - your face will be broken and your body left bruised and bleeding) or down the road (ie - you make a death threat to someone > they report you > you have to deal with local law Enforcement and possibly a local Judge).
Why that suddenly changes online here is the luxury of anonymity and no consequence. You talk all the shit, spew all hate speech to people who aren't 2 feet in front of you while you're comfortably hiding behind a computer screen safe in your home that your parent(s) are footing the bills for.
[slayer-jinx-catface]