I think that's the point. AMD sells compute power at a lower price point than Intel. If AMD can continue to lower the retail price of CPUs, they will chip away further at Intel's market share.
Margin means nothing if people don't buy your product.
Margin means nothing if people don't buy your product.
I don't think that follows. You realize the world is capacity constrained on leading-node fab capacity? And that by going fabless, AMD now has no guaranteed capacity?