Also, most of the susceptible people die in the first few waves. What you’re left with is a population that’s more resistant. Over time, the comorbidities tail off.
Looking at population level resistance is different than looking at individual resistance.
Libertarians are the “vegetarians” of politics— they like everyone to equate them with vegans, but in reality have no issues eating fish, chicken and other meats, and in reality have a pretty loose definition of what’s “not meat.”
The real political vegans are those who go off to form their own communities and reject the ENTIRE political structure, not just the parts that don’t directly benefit them.