I think there needs to be some sort of enhanced notifications when someone other than the author or maintainers close an issue so it doesn't go unnoticed.
Also spam controls would need to be integrated. Wouldn't it be annoying if a bot closed all your open issue /  proposals and opened random closed ones?
Whilst there is some merit to this approach it does seem to be fraught with problems. why deviate from the normal approach that users expect and has less problems?