I think you may have hit on the crux of it, MMario. ;-) I mean, where do you see a chimp suit for sale? Nowhere. But I can even buy a gorilla suit, albeit not a very good one, in downtown Orillia...and that means you can get them just about anywhere!

He's jealous. And frustrated. This obsession with specism is just Chongo's way of refusing to face up to his own crying need for self-examination and self-improvement. He's afraid to face his own many imperfections, so he focuses instead on some perceived external oppressor because that makes him feel righteous and put upon, even noble.