Also a good sense of humor, though you may disagree with his message.
Or you may not.
Accused criminals are entitled to a defense and defending them is an honorable profession, even though many of the accused will in fact be guilty. I'm not entirely sure about the legal ethics of suggesting to potential criminal-law clients that "laws are arbitrary," but especially since it's true that at least some of them are (see The Emergency Sasquatch Ordinance, supra), I think he's got a First Amendment right to say that.
No crimes were actually committed in the making of this ad, according to the disclaimer at the end. The ones depicted are "dramatizations."