You're correct, "particular" and "specific" are synonyms, and I concede that I might have been unclear. I'll try again.
What bothers me, and I imagine the original commentator, is that swatting works at all. It is deeply concerning that police in America are so reliably violent that they can be used as a fairly effective murder weapon.
Discussing the fact that communication mediums that allow arbitrary messages to be sent allows one to construct abstract scenarios in which such a transmission causes a chain of events that leads to someone's death feels like it misses that point.