This is the very best article I have read on the lockdown: https://www.newyorker.com/magazine/2020/05/04/seattles-leade... The positive is that Washington state acted early and the Bay Area followed quickly which resulted in lower hospitalization and deaths. Tech’s quick move to WFH probably helped slow the spread. This was driven by the Washington state health officials who worked with Microsoft. Bay Area tech compa…
The US is large, but mostly insulated, so this was feasible. But it would have required EVERYONE wearing masks, and no delays in locking things down (one day of delay in an exponential situation is like 4 more days of lockdown at the other end)