The key point about the Idaho ministers is this: "The Hitching Post has apparently in the past operated as a for-profit business and offered civil services as well as religious ceremonies. Earlier this month, it either became a religious organization or decided to present itself as such. If the Knapps are operating and plan to continue operating the Hitching Post as a religious organiztion, they have no reason to fear prosecution from the city."
Wait and see though, is what I say.