Legally speaking, B&M retailers specifically buy things such as UL rated products just because they would incur legal liability for not doing due diligence befo

Legally speaking, B&M retailers specifically buy things such as UL rated products just because they would incur legal liability for not doing due diligence before stocking and selling goods. Amazon avoids all of that liability by claiming they are essentially, a flea market. Hence why Amazon begrudgingly reacted to the FTC demanding the takedown of completely fake smoke alarm listings.