...and is why Isaac in particular is rarely lynched on Day 1.
Forum Mafia requires conversation, it requires posts- both to discuss how to catch the scum, and to give them just enough rope to hang themselves.
So if it's, say, Day One, and we have no options, sometimes we vote for who's being too quiet- partially as an incentive to get involved with the game, and partially because scum often stays quiet in the first Day before they can talk with their friends.