Young parents are also much less likely to get severely ill than older parents.

So the ones that do get infected and die are just part of the sacrifice?

People die of the seasonal flu all the time too. We don't shut life down over it. Covid is much much worse than the seasonal flu for many people. For others, it's less dangerous. That said, people still get hit with it.

You can't get to 0

I don't understand the point of your comment if you admit that Covid is much worse than the seasonal flu. We don't shut life down over the season flu, but we might for a much more dangerous disease. That's the whole point.