There shouldn't be scum with a daykill ability, so *if* prof moves there's the benefit of clearing prof once and for all.
But that's weighed down by a premature end to the Day and the fact that he needs to be damn careful about who he shoots. Recall Day 3 of the last game: Sparks mis-shoots, mafia carried for a mis-lynch against him, game basically set after that. These powers are NOT to be abused.
Monster Hunter: pissing me off since 2010.