Absolutely! Some time ago, Amazon began mixing their inventory with FBA (fulfilled by Amazon) inventory. I've purchased books and small electronics from Amazon (sold & shipped by Amazon) that turn out to be counterfeit.

yes, it does, sadly. See https://www.theverge.com/2016/10/20/13343682/fake-apple-char...

Yeah, I've bought counterfeit Amazon Basics batteries off of Amazon before :/