Go look at the VR porn subreddit. It's really not impressive. Also the story that VHS won because of porn is a lie. Porn doesn't drive innovation like most people claim.
Spending $3500 just to wank at VR videos is crazy.
Tell me you've never had sex. Sex and VR porn no matter how realistic are words apart.
You sound like those people who want AI to mimic human behavior, yet there are so many more interesting applications outside of that constraint.
Don't underestimate the power of shame; it's not about getting off, it's about getting off in private without anyone knowing about it. And it's about being in control, because an escort can say 'no', will not just disappear when you have post-nut clarity, will have their own boundaries.