I think it is more a marketing thing to get their company name out there. "Hey we can build something no one else has," and given the fact we are talking about it here, I'd say the plan is working. I seriously doubt they expect to sell very many.
I think someone here (maybe in the article) mentioned that it will likely be considered a machine gun in the eyes of federal law, one trigger pull = 2 bullets.
As a gunsmith I want to tear one apart and see how the internals are designed. An obsession I've had since childhood: take it apart and figure out how it works. At least I've gotten better at putting things back together in working order!