story
Low mortgage rates cause house values to go up because value is based on what an affordable monthly payment for that house.
Low rates means value goes up to equalize payments which is mostly superfluous for people with only one home and good for anyone with investment property but it causes a 20% down payment to be an unsurmountable barrier to entry for those looking to enter the market.
Home ownership is one if not the best way for families to generationally escape poverty.