@Glorfindel I killed my answer on that SEDE Jon Skeet upvotes thingy. You might want to ditch the references to my answer (or feel free to incorporate it in yours)
Recently I stumbled upon the following accounts that were created very recently:
spam account 1
spam account 2
spam account 3
spam account 4
spam account 5
spam account 6
None of the users did produce any content, but the profile name and page both suggest that these are spam accounts (almost...
I've always rationalized it is "I would be okay with 'falsely' blocking an NAA (since it's objective and few* people would argue), but VLQs are harder to define, let alone agree on"
* unless you hang around meta, in which case good luck
@DonQuiKong There isn't but if there ever is we're totally using that acronym