Well, they just do that to cover every base, or to show that they thought a little more deeply about it. The main jokes of an episode generally reflect their real feelings. They’re right, it is stupid, anyone who isn’t wrapped up in the emotions of the issue can see it plain as day. Becoming so obsessed with diversity that you put it front and centre in every single movie really is stupid, and using it to distract from or excuse the fact that your movie sucks ass is just sleazy