He strapped a ticking bomb in himself the moment he softclaimed. Either he is a PR, a neutral, or a scum, and I dislike the claim of a one-shot, effectively making him a vanilla by claim, and there is no better security blanket than that, don't you think?. I am questioning him because it was rather unnecessary and I was not going to ignore it. If his role is bad or confusing for town as he says it should be something we should see anyway at the start of Day 2, if he is not lynched today.
So even if scum/neutral/vigilante town gets him on the night, on the morning his disruptive ability will have some kind of effect that should de public or at least visible. Otherwise there is little to no reason to tell us now. If he dies during the night, his role pm will give us the info we need to deduce it, and if he survives until Day 2, then he will be there to explain it. Either way it doesn't help him survive that much after that unless there is more to its role than this.
It just seem like too hasty a claim.