> And I would argue that preventing the existence of a product that consumers might want hurts some consumers at least.

unfortunately, a product that doesn't exist isn't really a harm, it's hypothetical harm at best, which would be really difficult to argue as monopolistic.

I actually think this business agreement ending is a good thing - it gives AMD and other card manufacturers a way to get in, and compete with nvidia. In the short term it might hurt, but long term is better.