There are plenty of investors willing to back businesses that operate in legal grey areas. There are countless examples of this.
You have my undying respect for not quietly giving up, even after being dumped on for so very long. Cheers to you, and I hope your next business doesn't randomly combust, or something.
It can be intensely frustrating dealing with some of the people I've dealt with, but all in all I enjoy roughly the same quality of life that many Valley billionaires do, even if I don't have the paper billions. In that regard I'm quite lucky.