It doesn't even matter. If you start forcing other companies into contracts that say they may not use competitor Xs products, you will have an antitrust case on

It doesn't even matter. If you start forcing other companies into contracts that say they may not use competitor Xs products, you will have an antitrust case on your ass regardless. And we have seen the same happen with Apples bookstore. They obviously weren't a monopoly in the past, then or now, but they started drawing up contracts with multiple companies that were meant to be competitors and facilitating collusion between them. That is always an antitrust violation.