Mafia: general discussions.

b) another guarantee that he will take down the first one, if not today, then tomorrow.

unless someone else protects him, or if it's not the decisive day. and it also doesn't work well at the beginning, especially recently. half have protection, others have immunities.
In almost a hundred games, luck didn't save anyone ten times, so these are just imagined fears. I don't understand what's so terrible here.
There were no situations in the Castle where it was necessary to flip a coin.