My thinking on lockdowns has evolved some (just speaking openly). I am very aware of and have considered the "safety" argument, but right now I think at most a 2-4 week partial shutdown to prevent hospitals from being overwhelmed might have been appropriate in some cities and counties, but much more than that simply delayed the natural development of "herd immunity". China went the total-shutdown-for-a-month and since then has suffered major re-import outbreaks. IMO, a significant part of China's re-import outbreak problem is that they prevented the development of "herd immunity".
This coronavirus will never go out of circulation. And the Covid-19 virus is, IIRC, the third, not the first, modern crossover of a corona virus from animals to humans (SARS and MERS were corona viruses). As such, herd immunity from people recovering (many not knowing they had it) and from vaccines are how the Covid-19 corona virus will be controlled. The other reason a Covid-19 vaccine is important is that having gone through the development, testing, and release process this first time (vaccines for SARS and MERS did not go through the full process) will make developing future vaccines for future corona virus variant outbreaks less difficult.
DUmmies do not "get" that the real world is bigger and more complex than how they imagine the world should work. It's one of many variants of the Karl Marx Virus.