While I agree with you, the average buyer of computer components is used to spending an order of magnitude less on a motherboard. A person can go to their usual

While I agree with you, the average buyer of computer components is used to spending an order of magnitude less on a motherboard. A person can go to their usual source of computer parts and pick up a motherboard for a couple hundred USD at the high end. A few thousand USD for motherboard that does not offer an order of magnitude improvement in raw speed or expandability is going to be a very hard sell.