What does Barrack Obama, Steve Jobs, John Lennon, George Washington, Justin Trudeau, Bill Gates and basically everyone who went to college/university have in common? They experimented/smoked weed. 

Does marijuana make them a genius? No, but it does allow a genius to have alternative perspectives which in other words opens their minds. Most of these people are intensely dedicated and focused individuals. If your kids are useless and can't get off their ass it's because you've failed to teach your children basic living skills and give them a direction/inspiration.