>People are better off hearing a bad idea and hearing it refuted then never hearing a bad idea. That seems like a bad idea. Can you prove that given historical

>People are better off hearing a bad idea and hearing it refuted then never hearing a bad idea. That seems like a bad idea. Can you prove that given historical data and current data? Show me where the spread of bad ideas on social networks has been a net positive in large populations. Show me where the refutation of bad ideas has been effective in those populations. Provide a time scale as well.