Please also read this, I believe it's the right approach: https://medium.com/@jb_89278/the-11-day-plan-to-contain-covi... The guy is tech enterpreneur and VC investor who has been advising our (Czech) PM.
It would be impossible to do this in the U.S. I'm not sure he appreciates the size of the U.S., the resistance among many Americans who don't like being told what to do, the denial by Fox et al, the distributed nature of our government and on and on. I can't even imagine it working in my county.
I'm personally a fan of controlled, opt-in infections to help speed up research for a vaccine along with moderate quarantine (cancel many public events, encourage self quarantine). It may not be as effective, but it's much less likely to end in riots.