I can think of a few:

* Surveys (I had the county come in once in my sort-of legal rental appartment when they were legalising them, they needed to make a floor plan and fire safety recommendations)

* Real estate, which already uses 360 degree photo's and simplified 3d floor plan models

* Video games. Very generic usage.

* Virtualised museums, but those would likely need extra work to make all the placards etc readable

* Street View next level, also indoor navigation.

I knew a guy 20 years ago who was doing a PhD trying to 3D scan caves.

Caving is one of those things where not many people get to go there and any damage is irreversible. Combined with other information, such scanning could provide invaluable information for geology.

But yeah, not in my house. I already used Valetudo to ensure my robot vacuum doesn't send info about my house anywhere. Why the hell would I do a high detail scan and upload it?

When they first showed this off a few years back it was for AI training, e.g. training robots on real world locations.

Remodeling a kitchen for one.