All GP is saying is that some gambling, such as on casino slot machines has a mathematically defined (and legally regulated) payout of less than 100%. Same for

All GP is saying is that some gambling, such as on casino slot machines has a mathematically defined (and legally regulated) payout of less than 100%. Same for state lotteries. Bitcoin may well be in a bubble, but it isnt mathematically and legally guaranteed to decrease in value overall as compared to what most people consider traditional forms of "gambling".