Build more houses. Simple solution.
Instead of Supply / (Demand*10) try Supply / (Demand*1.5)
Apple throwing money in to a black box isn't going to do anything. Builders want to build. That's what they do. They aren't making money unless they are building. And they don't need incentives from Apple, or any other tech company to do their job. Unfortunately places like CA make it extremely difficult on them. Remove those restrictions and stand back.
Maybe one day CA will catch on before the last productive members of their state leave for better places like Texas and Florida.
Local zoning laws and objections by current home owners are probably more of an issue. If you already own a home, there’s no incentive to welcome new construction.