Exactly. Every time the UN does something, people say “they can’t enforce it”.
Well, that’s the whole point of the UN. To resolve things without using force.
It’s a good design, designed by people who learned from the horrors of WW2.
It’s sad to see how many people nowadays forget those lessons and are itching for global war.
That would be more in line with the actual American tradition.
But personally, I would recommend to only allow filibusters in the House, which has a more proportional representation, and to not allow it in the Senate, which has the least proportional representation, even less than the electoral college.