Hospitals in California aren't overrun. We were insisted upon that the "flattening the curve" was to prevent the medical system from being overwhelmed. With what we've been able to do, we're not even close to having overrun hospitals. By now, we should have ramped up the system to account for greater numbers of severe cases.
Given that, we should quarantine the vulnerable population and allow the rest of the population to get things back to normal. Otherwise, we'll come out of this with no herd immunity, potentially making the last month a total loss, and creating further loss in the near future.