Thanks, I was worried I would find HN readers to be largely in agreement with it and I'm glad I was wrong about that.
I also find that "we need to want these things" is the key problem with the article. I agree with your conclusions, but I think you've understated the case a bit.
I believe that all of this has happened the way it happened because we live in a society -- and a system -- that has been steadily lowering the value we place on human life.
When I moved to United States in 2013, what shocked me the most was the incredible number of homeless people in Seattle. This is an immensely wealthy, developed country, arguably the most powerful in "the first world". And yet, two of the "five most homeless cities in the world"[1] are in this country.
One of the big problems with the lockdown measures in several parts of the US was "what about homeless kids who depend on their schools". Do you people understand what that sounds like?
So yes, the problem is capitalism. No, not "crony capitalism" or any other variation of No True Scotsman defense of capitalism[2]. This is what you get when you build your whole system around the optimization of one variable -- profit -- and put essentially religious faith into the unproven idea that the Invisible Hand of the Market will make everything work.
Marc ends his essay by saying "instead of attacking my ideas, conceive your own". He's essentially asking people to express their disagreement in a way that validates his ideology. Sadly, the answer to his question about what we should build isn't anything he or the rest of the elites would like to hear.
What we need to build is awareness. What we need to build are societal "firewalls" against the ubiquitous propaganda[3] that inundates our society. What we need to build is a movement.
EDIT: Fixed some formatting problems that I didn't notice initially.
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[1]: https://www.arcgis.com/apps/MapJournal/index.html?appid=e56c...
[2]: It's usually the same people who won't accept that "real socialism hasn't been implemented yet" as an answer that deflect critique of capitalism by saying "Oh, that is not capitalism, that's crony capitalism."
[3]: The US doesn't have state propaganda like North Korea or China, and that leads people to believe it's free of propaganda. It's not.