If by "special class" you mean "because it is part of being successful at their career", I don't see much wrong with the statement. Consider a career ("special

If by "special class" you mean "because it is part of being successful at their career", I don't see much wrong with the statement. Consider a career ("special class") that we (hopefully) agree on where being dishonest is required to succeed. An illusionist, or a spy / secret agent. Do they think differently about truth than most people? Well yes, of course they do. I can think of at least two reasons: self-selection and habit+experience. All three examples do so for different specific reasons, and in different ways. For the illusionist and the spy, I guess that's what we expect of people doing those jobs. For politicians, not so much.