31 states have legal channels for retail/online sports betting. If DraftKings can officially sponsor the NFL, low chance it will be knocked down by Twitch.

I think this line mostly refers to the U.S. because there are large streamers who stream gambling sites from Canada or elsewhere due to lighter local restrictions.

Gambling is a problem regardless of being regulated, if anything else being regulated only makes it easier for the audience to get addicted to it, random viewer #2345 from the US isn't gonna gamble on some dingy underground casino if there's an openly available one to do it in.