First off: Gunsmiths, only roleclaim if you could not greencheck submachine and even then wait until the second half of the day (also 1 gunsmith is enough for that any more roleclaims are terrible)
RIP moe. seems he was the most vocal town that didnt cause any controversy.
About Submachine: I first want to address him motivating gunsmiths to check him:
I think him carrying a weapon always makes him guilty here, as a villager should generally not lie, especially when they want to use their lack of power role as evidence for their towniness. if he had a power role like that and lied about it, his play was just absolutely terrible and while Sub evidently has his derpy moments i wouldnt expect him to fuck up that badly.
However, without a gunsmiths claim id wager submachine wouldnt have risked a 1:1 trade so early either. even if gunsmith is an above average Power role, mafia just cant afford trades like that unless sub truly thought he was gonna get lynched for sure.
Now about his original plan:
Town perspective:
1. He might actually have thought of it as a good idea and forgotten about how relatively few abilities make noise and many of them have drawbacks when used blindly. It's not outside his range to overlook the actual drawbacks since hes so busy trying to trick the system he might forget certain issues.
2. He might have hoped everyone but officer would have followed the advice, in which case mafia would tear through our most useless roles. However, since he doesnt seem to carry a weapon that plan relied on luck, as hes not the officer and explaining it publicly would have ruined it.
Mafia perspective:
If somehow this plan was followed by town our officer would have been quite exposed. However if sub realized the problems with this plan, would he not have given at least one of us the benefit of the doubt to see the quite obvious problems?