A normal company could engage in these practices, but it is settled law that a monopolist may not. A monopolist may not use their monopoly in one are to supres

A normal company could engage in these practices, but it is settled law that a monopolist may not. A monopolist may not use their monopoly in one are to supress activities in another area. You can't put these big tech monopolists into the same bucket as normal companies. They have way too much power, and even when they do not intend to smash things, they end up smashing things.