>>53369496If it makes you feel any better, people who are really good at drawing pop culture-related stuff usually lack skills in other faculties. In the absolute worst case scenario, they are chronically unemployed; they either can't find work, or they have a job they hate.
Even worse, if they ONLY do fanart (ie. no original content), there is always the possibility that they pigenholed themselves into a niche, and are unable to break out into other styles.