Cost many lives? Coronavirus is not a fatal disease to the vast majority of the population. The vast majority that gets sick don't require hospitalization. There is no such thing as 0% transmission. Nobody has required anybody to go to work ever. It is not amoral to care about people that need a way to support themselves and their families.
You understand what an exponential rate does, though, right? Someone giving it to 2.6 people can easily be a problem after a few rounds of that.
Amoral as in, there are still a huge amount of people who don't think this virus really exists. Some think they won't get it. Some think it doesn't matter if they get it, they are fine.
Even if they don't think that, the rest of us are being put under a financial blowtorch, too. Business owners and employees alike. All under pressure to both earn our money, but not transmit this disease.
And coronavirus IS a fatal disease to a decent chunk of the population if enough of them get it to overwhelm the medical system. Hence, the unfortunate measures being taken. It would potentially be fatal to all of the 20% hospitalised if it gets that bad