The real question is does this apply to the warehouse workers as well?
It shows that OP clearly has no idea about how copyright law works. Everybody can use the work under fair use and you cannot restrict people from posting links to your site based on copyright. It seems like the author has a god complex. "I create therefore I shall command."
> If you work at Amazon, you cannot use and refer to this document because of the copyright violation issues.
I wonder which one of the Amazon's missteps triggered the OP's ire. :)