He has understood that he Startjoin/BankToThefuture/BitcoinCapital is a almost complete economic ecosystem outside of banks, and wants to do his bit to make it complete. How exactly remains to be answered, but it think we will know soon enough. My guess it that this will be (part of?) whats referred to as the trews boycott fund, where short-selling of unethical companies, and then organizing a boycott is part of the plot.