If they’re selling a physical product, then you viewing the painting temporarily while you’re in the store is not the same as being able to view it whenever you want or to physically have it in your home. You cannot buy “used” intangible goods. You can buy “used” paintings and those paintings can be materially changed by being “used”.
See above reply. Not talking about museums or whatever. Talking about the stores where artists sell their paintings
If they’re selling a physical product, then you viewing the painting temporarily while you’re in the store is not the same as being able to view it whenever you want or to physically have it in your home. You cannot buy “used” intangible goods. You can buy “used” paintings and those paintings can be materially changed by being “used”.