According to ”Sapiens: A Brief History of Humankind” by Yuval Noah Harari, the big mistake we made was in grouping together in farming villages and settling down to a domestic life. If we had continued our hunting and gathering, all the woes of *Homo Sapiens” would never have happened.
I’m still reading the book, so I don’t know if it offers solutions to current problems, but to reverse the curse we brought on ourselves, we would have to lose about 99% of humanity and go back to our roots, our true selves.
Those on a paleo diet are partially on the right track but have only made a symbolic start to what is truly needed.
Sounds like a post-apocalyptic movie.