That is exactly right. It's a toothless old man, utterly worthless in enforcement of anything without U.S. muscle and money.
If anyone believes for a second that the U.S. military will begin scouring their own country to confiscate privately held weapons from the citizenry.....they have another thing coming. Won't happen.
...and they (the U.N.) sure as HELL won't try to send in foreign, blue-helmeted troops to do the dirty deed. They'd be mowed down in the streets. Fact.