We don't have recordings of rich bankers doing cocaine. Saying "but they also do it" is very different from having the recorded proof of this fact.
The relevant terms are "selective enforcement" and "selective prosecution". Both are fully legal (as long as you don't show bias against any of the protected classes) and commonly practiced.
As a trivial example try telling the traffic warden that she can't give you a parking ticket because there is a bunch of illegally parked cars without tickets around.
EDIT: added the "rights of parents" and "simulation hypothesis" research interests.
I've started a lot of research projects and have a lot of research interests that I don't currently have time to develop on my own. So I'm putting the research interests together on this page, and anyone can let me know if they're interested in doing any joint projects on these topics. This can range from coauthoring, to simply having a conversation about these and seeing where that goes.
The possible research topics are: