Stephen Diehl is also no better than the crypto maximalists with his extreme absolutism. You won't see him debate and test his arguments with a balanced panel discussion so that you can easily see how extreme his arguments are. He has a book to sell and is full time, 24/7 tweeting the 'all of crypto is scam' chorus.
Not all cryptocurrencies, tokens will survive, but only a select few of them and their technologies will still be around to be used under regulations.