You have to pay in full upfront ( or there appears to be some installment system, but still, you are locked into some kind of contract), to wait over a year or more, and not be quite sure what you are getting. While assessing if this is "the last chance for you to get this" to overcome the clear unknown on multiple levels and ask yourself if you can silence the disquiet in your own heart.
This is basically an arranged marriage.
This isn't a preorder, it's crowdfunding.
I'm still convinced ( though I could certainly be wrong) that this will end up the way of Enterbay Leon/The Professional and/or Anton/No Country For Old Men. Someone else will make one. Might be a mold lift or a knockoff, but it will happen at some point if there's money to be made off of it.