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Being stuck in the middle ground between sex positive and sex repulsed is hard; I'm an ace person who's sex positive but I do think there's a point where sex making ppl uncomfortable is a valid criticism and NOT just from puritans.
The kind of sex that's most often presented in mainstream media is hetero or women just being sexy and easily turned on. This can inadvertently alienate people who don't feel this way and make them feel like this is how they're "supposed" to perform. You might not feel this-
-if you happen to be part of the audience that sort of thing caters to. But for a lot of us that just doesn't resonate with how WE express our sexuality and it can be extremely disorienting and borderline stressful. So when ppl talk about not wanting sex in the new LOTR series-
-please think about people like us before you cry "pearl clutchers" when our sexuality is literally never represented because it's not sexy enough for the audience. It's OK to say that sex CAN be gratuitous and it doesn't add anything to the plot. If you want to see it, great-
-but you're not everyone and especially not sex repulsed or sex averse people who don't like mixing porn with casual watching. I hope that makes sense and sorry for rambling 
And explicit fanfic/fanart is different, because it's a distinct separation. You know what you're getting into (and if it happens to stray onto your TL you always have the option of muting/blocking) but with a movie/TV show you're kind of stuck enduring it when you didn't expect-
-OR want it, and that's the thing that tends to bother ME the most.
Yes I'm a person who filters by E rating only on Ao3 but that doesn't mean I want the same thing when I'm watching Netflix with my bf; I like very specific kinds of porn and I like reading it in private, watching 2 hot actors go at it on screen with company is just weird to me 
Oh and one last thing, it's not me being uncomfortable with other ppl expressing their sexuality it's me legitimately feeling stressed out by being subjected to the expression of sexuality I'm constantly told I'm supposed to be like bc it's not normal to not want to fuck ppl
