We pay almost $600M and provide the site. For what? To hear all the member states dissing us and Israel? The UN, per Mark Steyn, is what you get when you mix a half-gallon of ice cream with a scoop of dog poop. The resulting mixture resembles the latter more than the former. Thus we get Iran in charge of the Human Rights Commission (as one example).
It did serve a purpose back when we had a bipolar world - the US and the USSR. That world is gone.
No; the only purpose it served back then was to empower the USSR, especially via veto power. After all, its charter was patterned after the USSR’s constitution of back then, by Alger Hiss’ design. It was always an abomination.