Its a niche idea, unsuitable for VC money. On the other hand, non financial goals for companies almost always end badly. When you have more than one goal there is always an excuse for management to do what ever they want.
Want to do something for profits? we need this for the company survival. Want to do something financially irresponsible? Its aligned to our values. Unrelated to the core business? Social responsibility. Leave creative outlets to creative syndicates, leave charity work to non profits and leave money making to for profit companies... don't be another one of those that break the mold only to discover that people that came before you where not as dumb as you thought. Basically don't be Crypto.