Earlier quoted context omitted.
People are not seeking those groups out of nowhere. Most of them are getting pushed there from automated platforms bombarding them with things they can't stand. The automated outrage machines are what radicalize people, not the private message groups. By the time you have private message groups propagating the same messaging the damage has already been done. To get people out, you need to cut off the source of the ou…
Automated platforms such as twitter certainly play a role in the social media landscape. But in Brazil they are not dominant. Whatsapp rules supreme and is the primary source for news for over 75% of Brazilians. Viral content here starts on Whatsapp and flows out to twitter, instead of the other way around. Some viral content does get bombarded, but it's actively done so by humans instead of by recommendation algorit…
This conversation also speaks to the social complexity that gets obfuscated by some of these big platforms and the fact that things are different in all kinds of ways in different parts of the world. I don't know really anything about Brazil besides some fairly superficial basic history/culture and have pretty much zero contextual understanding of what it's like to live/communicate there. The fact that the same thing seems to be happening all over the world is really weird.
That's why I think it has a tight relationship to scale of communication channels, as that seems to be the main thing that's changed recently and is consistent regardless of specific platform/means of communication.