As someone who has experience trying to "sell" a product to both Home Depot and Walmart no, it's not a bright line difference. I guess my point was that Amazon

As someone who has experience trying to "sell" a product to both Home Depot and Walmart no, it's not a bright line difference. I guess my point was that Amazon, and others like Apple like to argue both ways: "It's OUR store, we can deny anyone for anything." and "It's a MARKETPLACE, we can't be held liable for bad behavior or fraud!" The offline giants would love to have these same arguments.