The brief on this product is so narrow, it almost seems like a design school project to me. "Assignment: Devise a way to store extra rolls of toilet paper in a bathroom using minimal materials."
I suppose it may make sense for Japan, which is where this Sogu Hanging Holder comes from; I've seen bathrooms there that make RV bathrooms look spacious. Anyways the concept here is that you have no place to put extra toilet paper rolls, and that leaving even wrapped ones on the floor doesn't jive with fastidious cleanliness principals, so you resort to this:
As you can see, it's not meant to be used as the dispenser itself—there's nothing to prevent an unsealed roll from unraveling, as revealed in the "Don't Do" photo below: