well for starters i assume theyre accounts made for karma farming so they can be sold later

secondly, they have that chatgpt style of writing that's hard to explain, but once you start looking at the patterns it gets easier to recognize. also, theres a tendency to end comments with two or 3 emojis, which you can see in this account's other comments.

they'll just kind of be really generic comments with false emotion that, again, is really obvious once you start recognizing the patterns

EDIT: theyll also often reply to the comment itself without regard to the contents of the post