There was a time (before Dirty Harry?) when cops in movies embodied benevolent protectiveness and sincere desire to "serve and protect". Since then they seem to embody a hunt-and-kill sport. A sort of live FPS video game playing subculture.
What the hell happened? Drug war?
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Fun fact, Amitabh Bachchan's first hit, Zanjeer, created exactly the same mood shift in India in 1973 and movie cops went from nice to angry vigilantes. Now Bollywood cops are all basically Dirty Harry.

