All criminals had their own set of ethics. It varied from person to person, but anybody who ever had their name on a 'Wanted' poster always had a bottom line. The ones that didn't have their name on a poster, were on death row. With that simple dichotomy, the necessity of ethics was easily proven to the vast majority of criminals. Flagon insisted that he was the most ethical person around. Surely, if you excluded murder and theft- which could perhaps be blamed upon his acute kleptomania- he was the most decent person around. By all accounts he was a rather genial personality, taking nothing seriously; the perennial optimist. Hell his jailer had to admit that he couldn't imagine a reason why Flagon could possibly have committed theft.