I don't see your argument. Are you suggesting that covid pruned old people with weak memory to the point that it improved their memory on average? Because that

I don't see your argument. Are you suggesting that covid pruned old people with weak memory to the point that it improved their memory on average? Because that is the only conclusion of your argument combined with the data. And that's not just completely unfounded, it's a pretty wild violation of Occam's razor.