Regardless, it IS illegal in many jurisdictions for people under a certain age to view pornographic material.
Just because it isn't a federal law doesn't mean it isn't illegal.
"Best" is subjective. Under no meaningful definition of the phrase "best cybercriminal" is being caught worthy of any significant consideration. As another example, if you went down that road, an 11 year old who runs Quickfrye or AOHELL without being caught is "better" at cybercrime than Mitnick was.