If they didn't provide evidence, yes, we coule refute it.
The West will pretend that Taiwan wasn't doing that anyways. That's why I said 80%.
There is no such thing as incontrovertible evidence.
Yeah, that's what I just said.
> the world saw through WMDs in Iraq
And Iraq got bombed anyway, it's a great example of how the actual validity of a casus belli doesn't matter.
Of course it does matter. The invalidity is why the entire world was opposed to the US doing so. If the US wasn't in such a dominant economic and strategic position at the time it would have had to pay a much larger price.
But my main point is that if Taiwan wants nuclear weapons they can make their own, so there is no sense in America giving nuclear weapons to Taiwan. And if America did, that would provide China with 'valid' casus belli anyway. I think PRC spies would be no less aware of plans to import nuclear weapons than plans to make them.
The USA and Japan alone against China in a Taiwan situation may simply lose.