That's quite the overreaction.
Italy found that among fatalities the median age is over 80 (older than the average lifespan of an Italian man).
99% of fatalities were among people with a prior illness. About 50% of the deaths were people suffering from at least three other illnesses.
https://www.bloomberg.com/news/articles/2020-03-18/99-of-tho...
To put it another way: most of the folks dying from COVID-19 were already dying. This disease is the straw that broke the camel's back.
Should we just give up on them? No! But instead of quarantining everyone, and sending us back to the stone age, we should work to quarantine these folks while the rest of us return to normalcy and build up our antibodies and herd immunity.