https://mises.org/library/anatomy-state
Though we are taught, often by government schools, that our well being is its job that, as you point out, is most often not the case.
War is the ultimate proof.
You may find this short essay helpful in understanding this vantage point.
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I also recommend this:
https://www.amazon.com/Anarchist-Handbook-Michael-Malice/dp/B095DVF8FJ
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