That does not seem at all clear to me. To me, the clear meaning is that he is addressing everyone who isn't a morning person, and merely using the case of bad-faith promises as an example of their evils. Based on the article, it's hard to imagine he'd feel differently even if the person did not promise to be there at 9 a.m., because — in his words — "earning your life is supposed to be difficult" and anyone who doesn't "put in the work" is "lazy."