The case between Amazon and the CPSC concerns products that are using "fulfilled by Amazon". They come from an Amazon warehouse and are shipped by Amazon. If yo

The case between Amazon and the CPSC concerns products that are using "fulfilled by Amazon". They come from an Amazon warehouse and are shipped by Amazon. If you return the product you send it back to Amazon and Amazon refunds your money. With Facebook Marketplace Facebook just provides a way to bring buyers and sellers together and provides payment processing. The product is shipped by the seller from someplace that is not Facebook. If you return the product you send it back to the seller, and the seller handles issuing refunds. Those are two very different arrangements.