It's amazing that if you had a site where 3rd parties uploaded copyright materials for download you would be held responsible.
But Amazon can freely and in great measure host counterfeit trade mark infringing goods for sale and profit from it.
But Amazon can freely and in great measure host counterfeit trade mark infringing goods for sale and profit from it.
Only if you had knowledge of the infringing material, or if your site overtly encouraged its upload. Otherwise, as long as you comply with the DMCA you would be eligible for safe harbor. (I think.)