Many negative comments I can not understand, unfortunately. Relitätsnähe (finally exchange of fire, do not stop at thin sheets ... the car) plays an important role along with the impressive story.
Also to be mentioned positively, I find the camera. That alone makes the whole thing worth seeing.
The partially negative mentioned "plates" dialogues reflect for my taste rather the "language of the street" - and not a lack of intelligence of the maker - again. That in the blockbuster a negative light is shed on the cops, I can not say too. But on the contrary. Those who know a little about the subject of police / judiciary vs dregs of society who can understand that under stress goes down the "fine English style" but sometimes simply ...
In this sense: great story; great pictures; great movie!