Well, the biggest reason is that Taiwan already has domestic nuclear refinement capabilities and likely could make a nuke themselves in a couples months if they

Well, the biggest reason is that Taiwan already has domestic nuclear refinement capabilities and likely could make a nuke themselves in a couples months if they needed to. They don't need to do that quite yet though, as despite the media panic, an invasion of Taiwan is years, is not decades away from being attempted. China is a real threat, but it's more over the long term, than any immediate concerns.