I dislike citing news articles, I'd prefer to cite real research, but here's a crappy source: https://www.usatoday.com/story/news/health/2020/04/02/corona...
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When I first started hearing about the Coronavirus and figuring out the situation, my initial reaction was that we need to foster herd immunity, and avoiding exposure is near-impossible over the long run therefore we should just "get it over with" - not going out of our way to get infected but also not hiding.
Then as we heard about Italy, France, etc, my view shifted, and I viewed the lockdown as a necessary evil.
I've now swung back the other way. Time will tell, but I really think that subsequent research we'll show that we took a huge problem - a covid pandemic - and turned it into two huge problems - a pandemic along with significant swaths of our economy getting destroyed.
The argument to flatten the curve, beyond preventing exceeding hospital capacity, which is absolutely a critical goal, was also that those of us who are not at serious risk could spread to those who _are_ at risk, and therefore everyone needs to act in lockstep. Well, if you take a systems-level view, absolutely the best thing a non-at-risk person can do is get exposed to covid, fully quarantine themselves, and then return to daily life. Having a huge swath of the population with immunity is the best way to protect our at risk population. (In a perfect world, we could culture sars-cov-2 and voluntarily expose ourselves - basically a vaccine except you're exposing yourself to the real deal and not a virus rendered inert)
Also, back on the "exceeding hospital capacity" point, it is precisely those at-risk who are filling up hospitals and needing intubation or ventilation. So we can have a huge portion of the population who is not at risk still living their lives (with some adjustments), and the effect on hospitalizations would really not be that bad as a result.
I'll be closely following Sweden's data over the next months. I'm very curious how their strategy pans out.