Yes, that limits the number of identities a review can come from, but it cannot tell if they're lying. It's powerless against approaches like: "Buy my product from Amazon, leave me a 5 star review and I'll pay your fees, a $10 bonus and let you keep the item".
Well if your caught lying your online and offline identity/reputation will take a huge hit. It would be extremely detrimental financially and professionally to your life ... like having to go bankrupt. Be moral and just online or you don’t matter! Otherwise in time the Internet may not matter as much.
Further re deepfake stuff that’s even worse ...threat of going to jail!
How do you vet my published opinion? If I order something from Amazon and give it a five star review, how do you, or Amazon know that the opinion I'm submitting in my review is genuine or not? You can't even vet my criteria at the point of review.
I think that is a key point here. We have started to trust aggregate "opinions" as a source of truth, assuming high numbers will obviate any tampering, assuming tampering could not be done at scale.... Something that just doesn't exist for most things on Amazon.
Well why don't you and millions of others commit crimes... cause there are consequences.
There is zero consequences now for getting paid, bribed, etc for writing fake reviews and little by little helping to destroy the Internet.
There are laws about pollution... why not have laws against polluting the Internet with bribery/racketeering junk that is detrimental to the health of the Internet?