Ah. So older people don't contribute to Child-rearing now? They don't adopt? Volunteer time and experience training youth and ensuring that an accurate history and culture is transferred to younger generations?

For that matter, explain to me the implicit value judgement going on there. You're obviously saying something about the reproductively inviable regardless of age.

So would you like to add some context so you can avoid putting across some of the unstated implications there?

The OP asked, "isn't this Darwinian?" And the answer is that, no, it isn't and the question doesn't make any sense, because the people most likely to die from COVID have already had whatever biological kids they're going to have.