It's always matter of time before some radical nationalists and radical socialists talk to each other, come to the realization that they actually have a lot in common and then decide to work together in a single nationalist socialist organisation. The inevitable backstabbing comes later.
Edit: I had written national instead of nationalist.
we don't know for a fact, but I've spent some time on a lot of instances and they were the only ones telling me to not vote harris and instead vote trump