Paradoxically, those people actually use fewer healthcare resources, and pension resources, since they die earlier after retirement.

Healthy people with long, drawn-out illnesses use the greatest healthcare and pension resources.

https://taxfoundation.org/new-study-shows-smokers-and-obese-...

Vitamin D and air quality is the major underlying factor behind COVID severity - its why the virus exhibits such seasonality. Pushing vaccines doesn't address underlying public health problems.