These posts all have spam flags on SO right now (some more than one):
- PostgreSQL "DESCRIBE TABLE"
I have no idea what's going on with the Postgres one, but I assume the baby names ones were flagged as being NaRQ, and the star pattern one for being homework. It's unclear if people are flagging because they don't understand what spam flags are actually for, or intentionally misusing them because they don't like the post. If it's the former, is there any way they could ever realize they're using flags wrong? If it's the latter, are there any repercussions?
I don't think there's any way to automatically detect it; mods would have to notice that the same people keep flagging posts that don't actually warrant flags and e-mail them directly, which I'm guessing doesn't happen a lot (this answer indicates some mods regularly clear invalid flags, but that doesn't help with stopping people from using them wrong in the first place). Allowing 10k users to disagree with flags would be sufficient; the system could track if the same user is disagreed with multiple times and alert mods, but that system doesn't exist yet
Of course, all this assumes it's the same people regularly misusing flags; if it's actually different people every time this might not be worth dealing with