Well anyone with an ounce of common sense would have realised it wasn't anything to do with AMD GPUs per say, the fact that the 7nm node has been used by hundreds of different manufactures' without issue, would lead one to believe there's something amiss.
This is the very reason why the general tech press tell you to be careful when buying a GPU that's been used for mining, as you don't know the conditions it has been used in.
Humidity is what killed the cards. Maybe you should go back to elementary school and relearn what's the difference between basic terms like cold and humidity.
AMD's latest Adrenalin drivers for the RX 6000 series were ruled out from the list of possible suspects after more than a week of testing with brand new GPUs. Digging even deeper into the root of the problem, the German GPU repair service discovered that most customers had no original invoices, having bought the defective cards at around the same time from online third parties.