Without products to list eBay has no business. So, there's a strong incentive for companies who want to be in the space to acquire listings through a variety of means, including some means they ought not to.
I quickly browsed your site, and you don't seem to publish contact details for sellers, so back to Pavel's question: What does the site that scraped your listing do if someone wants to buy a scraped product? Send them to your site?
They seemed to do several things, but click through to our site was not one of them. They capture(ed) visitor data much of which I assume they retain for their purposes.
