At this point, the disease becoming endemic is all but guaranteed, so we're just delaying the inevitable at great economic cost. The best case scenario is to ride the healthcare system capacity threshold while getting the economy moving again so there aren't excess deaths beyond those that would have been claimed sooner or later.

The people arguing for waiting for a vaccine simply don't understand how long that likely to take. It's an unreasonable expectation to keep the world shut down until a vaccine is available as it will cause far more damage than the virus is liable to cause.