You sell them the opportunity to gamble a large amount of their money with better odds and/or a more appealing returns distribution than any casino will give th

You sell them the opportunity to gamble a large amount of their money with better odds and/or a more appealing returns distribution than any casino will give them, and for barely any more effort on their part. If anything, it's really very presumptuous of them to ask for any measure of say over the outcome beyond a good faith promise from the founder to try their best