When I was in school I used to prank my teachers all the time. But I was really, really nice. I love to make people laugh. And even in those pranks, the teachers would laugh most of the time.
We do not have thousands of years to unlearn the wrong patters that were established over thousands of years. The exponential speed-up of these cumulative patterns of destruction means we have to both learn new patterns and put them into practice on a global scale within the next generation.