You know what limited this sort of thing in the past? Dueling.

The world of young-adult-fiction Twitter, or YA Twitter, is a very intense place, prone to constant callouts and opinion-policing, particularly on matters of identity and social justice. And things seem to have only gotten worse since Kat Rosenfield wrote the definitive article about this subculture for Vulture, "The Toxic Drama on YA Twitter" in 2017.