"They really get a choice between car storage and housing," he says. "If they're serious about affordability, I think it's a pretty clear choice." 
ME--- Yep - trash our neighborhoods!
The ONLY solution to high housing cost is to reduce demand or increase supply. Metro has intentionally restricted the supply of buildable land to force high density on us. They have succeeded in increasing the cost of land to the point where high density pencils out.
Get rid of Metro!!!