>>14022434>>14022439It might seem silly, but every single online website where you can communicate with others are studied and monitored. From mainstream social media to the darkest corners of the clearnet.
The reason is because doing this is extremely useful for many fields like sociology, psychology, memetics and marketing, plus for learning how to exploit group dynamics, peer pressure and spread of culture.
Btw, the reason why you don't see "decentralized horde movements" (as they call them) that cause shitstorms like GamerGate anymore is exactly because they figured out how to prevent them from forming in the first place.