Houses are fancier with better gadgets and wiring and materials? Even if its true, it doesn’t mean prices won’t fall. If the price is too high for someone to buy no matter how much it cost to create, it won’t get sold.
If fancy houses with nice wiring is too expensive to build then it will no longer be built. Meanwhile prices will continue to fall until someone can afford to pay that price for the ones that exist. And on top of that, there are 50 year old homes that are still grossly inflated – what is the reasoning for their skyrocketing prices?