Justifications are irrelevant. The point should be to do our best to change the social conditions which produce starvation, misery, and poverty on a planetary scale -- you know, a little thing called neoliberalism (a.k.a. market fundamentalism, a system which, incidentally, is crashing and burning). Videogames and the mass media are powerhouse tools to do precisely that. They are also sources of amazing creativity and innovation.