Amazon has a piracy/counterfeit problem. And has for a very long time. I have basically stopped buying there as much as possible. My current trend is to use them as a search engine then got to the companies site. At this point you might as well shop alibaba as thats where half the crap is from anyway.
Have I received items that were crap? Sure, because I chose to go with the noname item from the random seller for cost reasons. If it’s unusable I just return it.
That said, I don’t think I have even a 1% return rate. Buy items with a few reviews and read the top reviews instead of only trusting the star system and you’ll get exactly what you paid for 99% of the time (and will get your money back the remaining 1% of the time).