Are there any countries at all that recognize the West Bank settlements as legal?
It's a bad faith way to approach this argument, so asking logical questions won't make a difference and will tire you out. That's the core strategy behind that behaviour.
Its not exactly a crazy claim. The UN is a political entity, its not above the influence of geopolitics. The former secretary general of the UN, Ban ki moon at one point (quite a while ago now) said that "Decades of political maneuvering have created a disproportionate number of resolutions, reports and committees against Israel".
Abba Eban Sometime between 1967 and 1975