That "modern-day piracy" crack is terribly offensive, and it's going to backfire in his face. "Piracy on the high seas" is still a thing. People have been murdered, tortured, starved to near-death, and used as human shields by Somali pirates.
To equate Amazon exercising the right of first sale by buying and reselling shoes to the violence perpetrated by Somali pirates is an insult to the survivors of actual piracy and to the families of anyone who was murdered by Somali pirates.