What product license? As the producer of some physical item, you don't get a say in what I can do with it after I bought it. Especially not if I never did any deal with you in the first place, but bought the thing through a long distribution chain of middlemen.
It's only with software that people consider it acceptable for the vendor to tell you what you can and can't do.
It's only with software that people consider it acceptable for the vendor to tell you what you can and can't do.