He will be one of the few academics with this designation. Wealth maximization is not the same as greed. A competitive environment allows you to better yourself. Wealth maximization has constraints. Regulations and rules.
Economic systems are imperfect, evolving systems that evolve faster in a free market.
He describes wealth maximization as a long-term goal. Greed is short term. He points out that greed, not capitalism, is evil and that investment earnings are not really greed, but compensation for risk taking. The equity market is supposed to be volatile. That's what investment is all about.