You are both kind of right. Parts of California, like SF and the East Bay, have started building a lot of housing. Late, and still not enough to make up for th

You are both kind of right. Parts of California, like SF and the East Bay, have started building a lot of housing. Late, and still not enough to make up for the shortfall, but building nonetheless. The problem is that places like Silicon Valley that have seen the lion's share of job growth haven't built commensurate levels of housing.