Not so long ago, anal wasn't as common as it is today
Then anal became more and more common and some girls started doing DP
Then DP became common and some girl started to do double vaginal (and triple penetration)
Then double vaginal started to be common and some started to do double anal
honestly i love watching those kinda scenes, and just double, but triple also and lately with 4.... it is a gonzo thing, something like punishing and gaping their holes..... i love the idea of going into something more harder to wide open..... and love seeing the girls being sexually ******.
To me it's all about whether the girl is enjoying it or not.
I've seen scenes that turned me off because, despite the faking, I could see the girl was hurting more than enjoying anal. But I've also seen scene that turned me on because I could see that the girl was really enjoying the double anal pounding she was having