I'm curious -- what is your faith in them based on? I feel sorry for the amount of expectations they were shouldering, but are you being supportive because you truly believe in their (unproven) technical abilities, because you hate Facebook so much, or are you just being nice because startup criticism can be really soul-killing? If a large corporation had released alpha code like that, would you trust the corporation with your data, even down the line? As much as it may be a nice Don Quixote story, results and credibility are the only things that matter here. The four of them are probably wonderful people, but that means squat when it boils down to code.