My two cents is that this isn't really an innovation business model, it's an execution business model. Their proposition seems to be that they can execute a a server rack with integrated hardware and open-source software so well that customers will love their product.
Maybe they'll just end up with tons of nerds our there thinking, "I really wish I could justify investing in Oxide racks, but it just doesn't make sense for my business / I just can't sell it to my CIO", but hey, maybe not!