I guage the time it takes for them to respond with their essays. Something strikes me as off when I respond to someone and within 5 minutes I get an essay with 10 sources all neatly formatted. Is it AI? Are they canned templates tuned for individual threads? Don’t know, I do know something is off and I don’t trust it — you clearly don’t think the same.
Hove you considered the fact that anti-communists such as yourself tend to revolve 5-6 talking points/narratives which means whenever you recycle it many people can simply search the keyword in their own histories and copy paste a reply with minimal edits. If you were more creative you'd definitely see less fast replies.