That's a bummer. I didn't back it, but I hate when people don't get what they pay for. I've been on the losing end of two different crowdfunding projects that disappeared into the ether, and while both only cost me around $100, it's really irritating.
Fortunately, I've funded far more successful projects, so I guess that's the price of getting stuff that isn't retail-viable. Gotta take a risk every now and then. ¯\_(ツ)_/¯