If you think your average anti-mask anti-lockdown American is making that kind of analysis then frankly I think you are disconnected from reality...
>Do you have any non-anecdotal discussion of (1) how common permanent disability from Covid is
Permanent disability is obviously impossible to prove at this point.
Perhaps the best microcosm we've had to learn from so far is the Diamond Princess cruise ship. The Japan Self-Defense Forces Central Hospital did an in depth study: "Of 104 cases, 76 (73%) were asymptomatic, 41 (54%) of which had lung opacities on CT. Other 28 (27%) cases were symptomatic, 22 (79%) of which had abnormal CT findings."
54% of asymptomatic cases had lung opacities, and 83% of those were ground glass opacity. That usually indicates pretty nasty lung damage. Symptomatic cases as expected showed more and worse damage.
Here's an analysis, what is the expected economic cost of achieving herd immunity? If you expect 60% infection rate to provide herd immunity thats 196 million cases in the US. Play with the numbers, 1-5% mortality rates, 50% of asymptomatic and 80% of symptomatic cases had some degree of lung damage. We're talking 500K - 1M+ deaths and tens of millions of people with lung damage. Have you actually factored that into your "The stonks must go up so lets sacrifice grandma" argument?
This is also a pointless exercise because virtually every major developed country on the planet has basically beaten this thing with... wait for it... LOCKDOWNS and MASKS. Crazy right?