Thing is, their selection isn't exactly random. They're recommended. By guess who? That's why they have a similar mentality, except a couple, and even those are friends with the rest as well.
There's Righties here who search comments to flag. Some I suspect even directly message because they give themselves away with what they say. (That's why I don't get them like I used to, by covering my tracks)
Viki is one of them, Abby was too. I got that from a source that knows. Others are obvious too, like merry - Buck used to openly state it two years ago.