> Crashes come when there was no real business value. Indeed. That's why we don't have trains or the internet anymore; once they had their big crashes we knew

> Crashes come when there was no real business value. Indeed. That's why we don't have trains or the internet anymore; once they had their big crashes we knew there was no business value, so they went away. ... I mean, what? You generally can't get a big bubble without _some_ business value, so bursting bubbles almost always have _something_ behind them (the crypto one may be the exception).