your writing style in particular fits with a lot of autistic people I've seen, FWIW. but I don't support using "autistic" as an insult (it's honestly the opposite, IMO)
They know. Most of these green troll accounts are alts of older, established accounts that don't want to risk their karma and a ban on their main account.
Don't bother interacting with them. Just flag them and move on.
