I think their point is simply that a Gundam series about building model Gundams is a very postmodern thing (and, perhaps, that the rise of postmodernism has mad

I think their point is simply that a Gundam series about building model Gundams is a very postmodern thing (and, perhaps, that the rise of postmodernism has made it harder for a 100% unironic Gundam series to succeed).