And why can’t you just use an AMD GPU? Is it because stores don’t sell them? Is it because motherboards don’t support them? Is it because you can’t rent one from a cloud provider? No, it’s because they don’t fucking work when you try to use them for ML.
That's not really relevant. Antitrust laws tend to focus on abusing your monopoly position, not having it. Microsoft was sued for using its Windows monopoly to force IE on people, not for having the monopoly by itself.
