They display those on purpose, because they've found that people who recently bought something are fairly likely to buy another copy in the near future.
Sometimes it's bought as a gift or because they want another one, but I've also seen people break cheap products and then order the same one as if they're supposed to be disposable. (There's the "boots" theory of economic inequality again)
Sometimes it's bought as a gift or because they want another one, but I've also seen people break cheap products and then order the same one as if they're supposed to be disposable. (There's the "boots" theory of economic inequality again)