COVID however is most fatal to the eldery. Letting it simply rage out of control could push back the social security crisis a few years.

I don't think anything as Machiavellian as this is going on. I think it was all just a culmination of decades anti-expert propaganda and knee-jerk obstructionism coming to a head in a terribly fatal way.

The elderly though often serve an important part in society. In particular, they can care for grandchildren.

I didn't mean some sort of darwinian thing where the average strength goes up. I mean that the strength of the group as a whole could very well increase.