That is because the author didn't intend for a personal critique of class exploitation, but for a societal critique. So if you think that a critique exploitatio

That is because the author didn't intend for a personal critique of class exploitation, but for a societal critique. So if you think that a critique exploitation means that the movie has to portray rich people as personally evil you won't find it. If you admit that such a critique can be predominantly systemic you will find it. The lower classes fighting amongst themselves needlessly because they don't see that they can work together is like, class struggle 101.