I am not going to jump in and defend a company, but Riot has done a LOT to combat toxicity in League of Legends. There is a ton of blog posts about all the different approaches they tried to make people behave less like assholes. Turns out that humans are complicated beeings.
I started the game yesterday, and I like it so far. Is that an actual screenshot from the game? However, I already know that these two are definitely NOT innocent :D
https://www.youtube.com/watch?v=rJHe-iZ5HSI