What you say is fair enough, do more homework if you know you are dealing with possible LHR cards, but simply putting on Rev2.0 on the small serial number and barcode label on the side is still in my opinion a scummy move, not illegal, but scummy as rev 2.0 tells you nothing unless you specifically research it. its not like most normal people look for a revision number of most appliances they go shopping for if its the same model.
To be fair if I click the seller link then it takes me to rev 1.0 page but still, I wont burn the seller because that's just bad form as a buyer on carb as he was not aware of this small change either by gigabyte, if anything this hurts him because he already has a batch of rev 2 on the way that will affect his sales now since it cant mine Ethereum.
Anyways i dont expect a noddy badge or anything, simply putting the information out there and hopefully helping someone learn from my mistakes.
Now if anybody wants a leke card to game on check the Nvidia GPU section as i will probably list it for a feeler