The only difference is that a random asshole on the street can't really do anything to me, I can just walk away.
A random asshole cop has a crazy amount of discretionary power over me, even without him stepping outside departmental procedures or the law.
Edit: seems this is partially true for personality but this study shows a correlation with holding more right wing views. (college students who expected to pursue law enforcement careers) https://pubmed.ncbi.nlm.nih.gov/40768353/
https://www.prisonpolicy.org/blog/2026/01/26/police_miscondu...
https://www.prisonpolicy.org/blog/2020/06/05/policekillings/
https://www.policedatainitiative.org/datasets/
https://policecrime.bgsu.edu/Home/Crimes
https://ij.org/the-ij-database-of-alpr-abuse/
"And some, I assume, are good people."