I agree with all 3 points, and comment as follows: the initial target market are people for whom access to a portable power source outweighs the inconvenience of having to carry a gas canister(s) or the (relatively) considerable cost of recharging. Their (and my) judgement is that that market...
Yes; I'm in, with, by their standards, a sizeable pledge. It's a punt (mostly around prototype-to-production issues), but I think it's just a timing implication. I've checked out the patents they've applied for and they're real. They cover all aspects of the FC tech, with perhaps, imo, a small...