A few folks are saying things like "so what if it kills 1000 people - more people die of XXX per year". Well let's explore the ethics then.
Take Australia - population 25,700,000.
Last year, 327,000 people were born.
Last year, 238,300 people migrated to Australia. This is net (total in less total out)
Last year, 160,000 people died.
Of those 160,000, 17,500 died from heart disease, 3100 died due to pneumonia/influenza 1100 died in car crashes, 3000 from suicide, and a long list of other awful things. The pneumonia deaths were spread across the full year, with many victims being folks who might have died of something else that same year.
If COV19 kills 1000 this year, that's ~170,000 deaths this year.
Now, the difference between a COV19 death and a road trauma death is preventability and responsibility. If we decided that from now on, the highway speed limit will be 60 km/h and it will be enforced with gusto, we know for a fact the road toll would plummet to a few hundred. Lives saved! Why aren't we doing this? Well it's not just because it would take 24 hours to drive from Brisbane to Sydney. A life lost on the road is the result of personal choices. Someone made the choice to drive recklessly. Someone made the choice to drive tired. Someone made the choice to travel at 110 km/h on a wet road with wildlife crossing.
However with a communicable disease, your choices are far more distant from the outcomes. It's possible to cause the death of another by unknowingly spreading the disease. Being out and about while carrying the disease might, or might not, cause an infection which might, or might not result in death. It's utterly un-knowable at the micro scale, but completely predictable at the macro scale.
So should we grind our economy to a screeching halt to prevent the deaths of 1000 people? The options are clear. Do so, and save 1000 lives. Do it half-arsed (like Australia is currently) and you might only save a handful. Let the economy crack on, and you will probably see tens of thousands die as our hospitals are overwhelmed.
These are conscious decisions to prevent the unconscious killing of others.