Cognitive dissonance. Look at the survival rate of Internet companies that were around then and of those that continued to exist after the dotcom bubble. Then s

Cognitive dissonance. Look at the survival rate of Internet companies that were around then and of those that continued to exist after the dotcom bubble. Then subtract from that the number of companies that survived but weren't turning any profits, consistently. Or learn how to use Google and pay attention to information that is handed to you.