The "law of unintended consequences" "intervention in a complex system invariably creates unanticipated and often undesirable outcomes." Unintended consequences - Wikipedia, the free encyclopedia And now we are seeing many examples of people believing they are capable of massive affects on behavior! EPA/OSHA/ to name a few. One of the most long term is the banning of DDT. Banned because of the "Silent Spring" i.e. supposedly. How many people Estimates put it at nearly 100 million in the past 30 years or so have died because DDT was banned! "Unintended Consequences"!