Not "I consider". It's optimal, and I explained why.
Total mechanics. Guesswork is that shit which DM doing.
Not everyone else. Only the members of "reading" cult and the ones stacked in the only meta.
Because it's optimal. Blackmailing now gives nothing for demon. His only chance is kill one of 3 voters on MM to remove one semi-confirmed townie from the pool. Other ways just will not work.
It's your personal problem. Or, more likely, you are scum and you already checked one of Martin/DM/Auwt.