They’ve done this https://www.amazon.com/gp/help/customer/display.html?nodeId=...
They still put your FFP box into another bigger shipping box.
"Amazon.com works with manufacturers to box products in Certified Frustration-Free Packaging, which reduces the overall amount of packing materials used."
Also:
"It’s designed and tested to ship to customers in its own packaging without the need for additional Amazon packaging."