I don't think it's unlikely that this part of an influence op. I know people hate this sort of conspiratorial thinking, but you don't need much of a conspiracy to make this work, just some people willing to post for pay and people willing to pay them.
Reposted from
John Brown stan account
Look, I don't know what it means, if anything, but I've seen it three cycles in a row: the comments on NYT's facebook posts in the lead up to an election are all brain-melted right-wing trash, and then the moment the election is over they're normal again.
Comments
profiles, sometimes before.
Probably because the bots were no longer needed.
https://www.voanews.com/amp/who-is-that-chinese-troll/3540663.html