These are good points (though broad strokes). Mostly I'm just pointing out subtleties or challenges with this approach. One difference is if a business re-open

These are good points (though broad strokes). Mostly I'm just pointing out subtleties or challenges with this approach. One difference is if a business re-opens and expects people to come in to work, the US probably needs legal protections so quarantined workers don't get fired or forced to come in illegally.