Not really. Your role is to tease out the real issue for discussion, rather than shutting down the conversation with demands of testable hypotheses. Offer the

Not really. Your role is to tease out the real issue for discussion, rather than shutting down the conversation with demands of testable hypotheses. Offer the other guy a chance to save face or explain himself. Being utterly contrarian is pointless. Here, the next time someone calls bitcoin a bubble, give him this link (http://www.ft.com/intl/cms/s/2/0ca06172-bfe9-11de-aed2-00144feab49a.html#axzz2nCp5NYvE http://www.ft.com/intl/cms/s/2/0ca06172-bfe9-11de-aed2-00144...) to Soros's Theory of Reflexivity and ask him to provide a hypothesis within the framework Soros provides.