The general consensus in that thread is that, while the Vision Pro can play “flat” porn videos on sites like PornHub, there is currently not an easy way to play 180 degree side-by-side videos on the Vision Pro, which is how most commercial VR porn is filmed.
It means you’ll use a third party app to watch content, just like you do for pretty much every type of content on iPhone and Android.
Just no one has published one for Apple vision yet, because no one has had one.
VLC coming soon?