I think he was pointing out how out of reach buying is. I'm sure a lot of people would like to own that are renting in SF right now but that's just not possible

I think he was pointing out how out of reach buying is. I'm sure a lot of people would like to own that are renting in SF right now but that's just not possible. "Having a roof of your head" and home ownership is very different, offering different benefits. For someone with kids, who probably does not want to be moving, renting is a bad option but the only one in a lot of markets.