The Bizarre Refusal to Apply Cost-Benefit Analysis to COVID Debates

In virtually every aspect of public life, we make policy choices by comparing the cost and benefits of various policies. We often refuse to impose limits even though we know they would save lives: we could ban cars or make the speed limit 25 mph and save hundreds of thousands of lives. We don't because we assess that the benefits of cars outweigh the costs of those deaths. Why do we still refuse to use this analysis for COVID?