Entering a piece of metal that can uplift you is a calculated and well-known statistical risk you can evaluate if it worth being taken for the service it provide.
Indiegogo seems to not have such statistical intelligence.
sending cash, to someone who can't at this time provide you the product you want to buy, and who makes no bones about not providing you with any assurances that they ever will is a calculated (and easily avoided) risk. You can evaluate if it is worth being taken for the product you may or may-not ever receive.
The fact that a house-fly already has the statistical intelligence for funding Indiegogo projects doesn't mean that there isn't any
Indiegogo seems to not have such statistical intelligence.