> Mamun et al. (2020) report on studies that demonstrate that recidivism rates in private prisons are between 16.7% (Spivak & Sharp, 2008) and 22% (Duwe & Clark, 2013) higher when compared to public prisons. [1]
When providing services, private companies do worse because their charter is not to provide services per se, it's to make money. These are antithetical in the world of social services.
Private enterprise isn't a solution to every problem. It's a solution to a lot problems. However police, fire, healthcare, education, regulation and so on are services in the public interest and should be provided therefore be provided by the public.
[1] https://www.frontiersin.org/articles/10.3389/fcomm.2021.6721...