Flips are the role reveal. Right now we don't know if MR was town or Maf, since there was no flip. AV could've been the Asymptomatic spreader as well, we don't know
Why are you opposed to an MR type wagon on BJ? If MR was scum, it should be a welcome thing. We don't know if he was or wasn't, so why does it sound like you lament the MR wagon, when he could've been scum?