In the 1970s and 1980s, porn was the most mainstream it ever was. Porn Chic was a thing. It was the golden age of Porn. And then pendulum started swinging back.
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to name only one of the many movies by Russ Meyer, and Russ Meyer to just name the most controversial... It's not just that porn was more mainstream, it's also nudity and implied sexuality that was more mainstream in your country.
But the three last words are important. While gratuitous nudity is less present nowadays in Western European countries, nudity, including full frontal one for both sex, is still present, as well as implicit, and some times explicit, sexualization. Same can be said for Japan by example, where they censor porn, but have TV shows that can focus really hard on sexualizing women.
What lead to OP question, and the answer is an obvious and unambiguous "no".
I live in France, one of the country where nudity and sexuality is the less frown at. We had erotic movies displayed in regular movie theaters, we had them broadcasted on none cable TV channel, we even have, since 1991, a TV show dedicated to the news regarding pornography (on a subscription-based TV channel). Since the early 90s too, we have sex toys shop that are in the open, looking like perfume shops since mostly focused to women. Hell, we even have a well known singer who used to be a pornstar, she made near to 20 movies. Everyone know it, no one fucking care; it didn't prevented her to have a 46 years long, still counting, career, and to be really successful.
In Netherlands, among other countries, prostitution is legal. In most, if not all, Mediterranean European countries, being topless at the beach is perfectly legal.
Yet, porn is still far to be, and will never be, mainstream. You'll not be ashamed because work for the porn industry or consume porn, but it doesn't mean that it's mainstream.
Therefore, like the USA are 50 years behind in term of acceptation of nudity and sexuality, I don't see why a feeling that both starts to be possibly accepted again, could lead to another outcome than in countries where it have always been (near to) fully accepted.
What world are you living in? Over the past 20 years, Western European countries and USA have become less prurient, not more.
I have to disagree with you when it come to Western European countries. We became less macho and more respectful of women, what isn't exactly the same thing.
Of course, it lead to less nudity, but not by fear of it, or puritanism. It's just that there no more nudity for the sole sake to have nudity. And there's more control, but not because nudity/sexuality is a bad thing, it's because with Internet minors are way more exposed to it than before.
Credit Card companies/processors and other corporate entities are still adamantly against allowing their services to be used for porn.
This is due to the regulations.
Since the 90s, they are held responsible if they knowingly take part to illegal transactions. You can use your credit card to buy sex toys or porn online
(at least here and if the store did the security deposit) as well as IRL, but you can't use it for sex related services, because they could be prosecuted for pimping. Yet, there's possibilities to use credit card for sex related services if the company can guaranty that there's no prostitution, and here again, do the security deposit.
