I think AMD's problem is manufacturing capacities. They can't even properly fulfill the current demand of gamers and miners, you want them to start a completely

I think AMD's problem is manufacturing capacities. They can't even properly fulfill the current demand of gamers and miners, you want them to start a completely new line specialized just on miners? Where are they supposed to manufacture these chips? It would also be wasted effort on AMD's part as the cards are selling like crazy anyway and once the cryptoboom stops there's still plenty of gamers left to buy them.