Id be surprised if all admins of every instance that’s federated with Lemmy are all on the same page, let alone looking for narrative driven bots.
I see “Ukrainian combat footage” with hundreds of upvotes and no comments, there was also an article speaking positively about facebook that had lots of upvotes and no comments (it’s in my history of you look, because I commented lol) - those look like red flags to me
I definitely read “sharting” at first glance