Smart people can see that buying a bitcoin at $100 is kind of expensive
Smart people can see that buying a Goldcoin at fractions of a penny is very cheap
Smart people can see that the potential percentage increase of Goldcoin by far, exceeds potential gains of bitcoin
Therefore Smart people are buying Goldcoins
Smart people can see that buying a house is kind of expensive.
Smart people can see that getting a box to live in for free from the grocery store is very cheap.
Smart people can see that the potential percentage increase of the cardboard box by far exceeds the potential gains of a house, if you sell it to someone who is really in need of a box.
Therefore smart people don't buy houses, they instead live in cardboard boxes that they can get for free!