You're likely not going to like this, but you agreeing with their reasoning for bottle-necking a resource does not make it any less problematic that they have the power to do so.
You imagine that you had a vendor selling bread, and you have people who need to eat, and a customer comes and asks for a year's supply of bread so they can have a bread bonfire as a sacrifice to their god so their god can take over the world, you're going to do everything in your power to avoid selling bread to those people. Because they are going to have their bonfire, their god will not appear, and meanwhile everyone will starve.
Nvidia doesn't unilaterally have this power - they are making the same rational choice as all the other GPU vendors, they are just doing it somewhat more forcefully.
Nvidia doesn't unilaterally have this power - they are making the same rational choice as all the other GPU vendors, they are just doing it somewhat more forcefully.