This is an essentialization of women by and for those who see them as objects that can be reduced to enlarged sexual features.
It's normal to be disgusted when you see women as persons
Or you could have a fetish instead?
This is legitimate criticism in film and games but, dude...
this is porn. Everything, realism or dignity and respected included, is secondary to get you to bust a nut. And if that means objectifying women or men, then that's just the price you have to pay.
Violating taboos are an inherent part behind the most popular forms of sex, after all.