Nvidia said they will reduce the hash rate of future manufacturing cards to like 30x0 lines and will be marked with LHR (light hash rate). But then, will not even cause more shortage of available mining cards that was manufactured and sold on the market prior to? Forget about cards, if hash rate of future cards are halved, then it is like supply of hash rate hardware being halved from now on and may stoke more demands on pre-existing cards?