What politician is going to anger the majority of their voters, and anger the lobbyists making them rich, to instead do the right thing and ensure poor people get housed?
If you owned a house worth $2Mn would you be OK with its value dropping to $800k if it meant all poor people in your city got a tiny house or condo? Additionally most people are Nimbys, so even the location of new housing is controversial.
He is not Trump in diguise. He is the conservative equivalent of J Singh. Both these leaders have no actual policy and just knee jerk support whatever is popular in the moment. When Trump was popular he supported trumpism, now that it's no longer popular he changed his tune. He'll change his stance every day.