But if used carelessly... it will only rekindle the humans' desire for revenge.

And he viewed proto shamanism as a kind of original attempt, through ritual, to rekindle a connection that had been irrevocably lost.

I think the actual answer is that once you reframe it, once you get out of one set of stale expectations from a failed project that had its day, but now, for whatever reason, is tarnished, you can actually rekindle the kind of human kindness and sharing that something like this on Craigslist represents.