Yes - same as going to the dollar store (or whatever one’s local equivalent is) and wondering why the cookies taste different.
Also re-stated as, “You can’t handle the truth”, i.e., given the widest possible exposure to consumerism ever known, one is unable to make an informed choice. That is exclusively the responsibility of the consumer.
A mass marketplace is based on trust. Amazon is cannibalising that trust. It will cannibalise its mass marketplace.
If the dollar store is selling product labeled as premium-quality which is not in fact, or is claiming certifications not actually granted, or contaminated products ... then that store has a problem.
At least when going to a B&M store, it's possible to examine goods and packaging and reject obviously damaged or returned merchandise. Amazon doesn't offer that protection except through a far more tedious return mechanism.
Caveat emptor is NOT in fact governing law and principle, but rather implied warranty is, within the US and most Western countries:
Also re-stated as, “You can’t handle the truth”, i.e., given the widest possible exposure to consumerism ever known, one is unable to make an informed choice. That is exclusively the responsibility of the consumer.