Moderator-80:
More specifically, you slowly drag the bait, as if it was a living thing (something sincere in the case of a forum) to fool the fish (posters).
The origin of the term, from “trolling” is why I, in my overly precise way, insist on calling such people “trollers” rather than “trolls” since the former is “one who trolls” and the latter is a mythical Norse beast who lives under a bridge.
But usage demands that “troll” is correct so I recognize the quixotic nature of my complaint.