I think "collective will" is a red herring. Humans are what they have always been - gradient descent optimizers on a
good day. Understanding of morality, a culture, the law - those are tricks we've developed over time to, sometimes, break us out of situations in which our natural behavior threatens our communities (and so is self-destructive on aggregate).
No, I think the common aspect of all Big Problems is that available solutions don't create equilibria. They're not stable. And we know they're not stable - most people do, if only on an instinctive level (our "social sense" is good at navigating these things).
That encompasses all the "lack of collective will" cases: people are aware that they're being asked to make an immediate and concrete sacrifice, in exchange for uncertain and abstract long-term gains - gains that won't accrue unless almost everyone makes that same sacrifice. Our gradient-descending minds rightfully figure there's no point. See [0] for a much longer discussion of this topic.
The point I'm making is that we should stop thinking about this as a moral failure, in the sense of "if only we had the collective will", as if almost everyone was lazy or heartless or stupid. On the contrary - the Big Problems persist because we know of no solution for them that can be implemented in context of our civilization - societies, cultures and laws[1].
The way I see it, we have following ways forward:
- Figure out different solutions, ones that form stable equilibria within our current social framework. This is the part where technology plays critical role - new technologies are a way to create new options.
- Transform our social framework into a one in which existing unstable solutions are stable. This is slow and hard work, involving changing laws and ultimately cultural norms. It ultimately means fighting our biology - not all social frameworks can be implemented on top of humans, and even for those that can be, there may not be a possible path from "here" to "there".
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[0] - https://slatestarcodex.com/2014/07/30/meditations-on-moloch/
[1] - A good thought exercise to get a feel for it: imagine that we somehow found the "collective will" to solve one of the Big Problems. What mechanisms are there that protect people from being exploited at scale using the same collective-will-generating circumstances?