Because what is an “offense” is designed to capture a certain kind of person who harms the public but leaves the other, much more harmful kind, untouched. What is the harm caused by stealing a package off a doorstep compared to creating a Facebook ad for oversexualized garments targeting young girls? Compared to marketing addictive pharmaceuticals to people who do not need them? Compared to issuing a fraudulent AAA rating on a mortgage backed security and selling it to a pension fund? Which gets the police involved?