Those are not "because it allows us to get more profit." They are arguing that non-free Mathematica is completely in the best interest of their users. Of course

Those are not "because it allows us to get more profit." They are arguing that non-free Mathematica is completely in the best interest of their users. Of course it's not. At the end of the day, Sagemath is there for everybody to use and a person can't even use Mathematica unless they're connected to a university. They've sabotaged it with legal barriers and DRM.