We have 'Big Boobs', so why can't big ass/booty/pawg lovers have their own category? Are asses any less important than boobs?

We aren't just talking about another niche fetish, as countless mainstream stars like Beyonce, JLo, Kim K, C. Hendrics etc (just to name 4) are proudly showing their mouth-watering behinds in front of our eyes and media are constantly putting them in front of our eyes. We see big butts everywhere.
In porn, there are countless professional productions dedicated to the cult of the ass and amateur videos featuring big ass girls are thriving. Also, the 'Pictures' section already has a 'Asses' category.

So, once again, why can't we big ass-worshippers have our beloved category?