[restlessbytes]

This point is addressed in the article:

> "While /all chat can be the source of fun social interaction between teams, as well as some good-hearted banter, right now negative interactions outweigh the positives."

[TulliusCicero]

But it's already disabled by default. People have to opt-in to those negative interactions.

That said, I suppose it's still a headache for Riot to manage some of those interactions regardless.