

Sorry, if we’re getting this fiddly trying to explain how “they’re not extreme extreme right, just extreme right!” it’s not going to cut it.
Canada doesn’t want Minnesota. Not even the “good bits.” Americans are just going to have to sort this out for themselves. If individuals want to become Canadian there’s an immigration process they can apply for, they don’t get to just declare their chunk of America to be Canadian and bypass all that.

And they can’t legally join either. The Canadian constitution would need to be amended and ratified by at least seven provinces representing over half the population. That is never going to happen. Not for an American state that’s far to the right of Canada politically (ie, any American state).
Canada decides whether a new province is let in. Not Americans.