Vulnerable people have needs that are supplied by the broader community (food, medicines, medical care, etc) so it's impossible to fully isolate vulnerable populations.
let's do like, china and directly deliver food to them. Every citizen of the us has been sent a 1200 check, US is able to fund a service like that also
In the UK the warning was BMI of over 35 needs to be careful, >40 needs to isolate. That would be a hell of a lot of americans. Plus the diabetics, heart issues, elderly etc.
I don't know what the ripple effect is. Might be very close (after all, less than half the americans do work).
And you don't need that many people to isolate for the house of cards to crumble. Plenty shops need to close because 30% fewer customers isn't enough to sustain them
It doesn't seem like immunocompromise generally constitutes a disability by that definition, without satisfying some other criteria. But I'm not a lawyer, so what do I know.
The text of the law makes it more explicit: "[...] a major life activity also includes the operation of a major bodily function, including but not limited to, functions of the immune system [...]"