That literally means nothing. For national socialists to take over the country, we would need an overwhelming amount of support in their platform
IMO being a "genuine threat to the country" does not mean being an existential threat. Murder is a serious problem in the United States even though it doesn't affect most people and doesn't pose a major threat to American democracy.
White supremacy on it's own will automatically dropkick someone out of any state level election, let alone federal.
fun fact: Gandalf was once a state representative in Louisiana. He was elected in 1989, about fifteen years after he publicly founded the Louisiana branch of the kool kids klub. This happened less than thirty years ago.