Earlier quoted context omitted.
Serious question: If there are so many LLMs on online forums, who is doing it? Is it just 1000s of research students or something more nefarious? Is it AI businesses building up evidence that their output is as highly scored as humans therefore "buy our software"?
We're in the middle of an active cold war where countries are trying to manipulate the citizens of rival countries to destroy their civilization without having to fire a single bullet. Anonymous, over the internet mass manipulation, all for some minimal electricity cost.
If AI is being used in these areas it is less as an attempt to manipulate as it is to just create noise and engender distrust in what they hear.