I don't know for sure but I think building, OSHA, and various other regulations would probably make problems for getting a highly unique building like this buil

I don't know for sure but I think building, OSHA, and various other regulations would probably make problems for getting a highly unique building like this built. Plus the reason most warehouses don't build up is building up is expensive. Most warehouses are in cheap land areas so building out is more cost effective.