No, look, for the purposes of a game controller you don't have ten fingers to design to, because human fingers' movement is mechanically linked such that you cannot move them fully independently; also you can't do something with too many of them at once or you won't also maintain a grip on the controller.
Also, games are fucking bad enough at accommodating disabled people now, let alone if they started designing to some delusion that you can use all ten fingers for a control scheme
I know hardly anything about hardly anything; but it's amazing how little you need to know to factually object to almost any instance of "Existing thing sucks [correct, agreeable opinion]. Why, with literally no thought or any respect for existing fields of knowledge, obviously— [oh no, why would they say any of this]"