For four decades, some determined people sought to change the course of American history.Some ideals, are now part of the fabric of the country, like breakfast programs for inner city kids. Stick with this movie. It has a lot to say, a lot to reveal and is pertinent to today's testy police/civilian race relations.
Typically, a summer flick doesn't transcend its stereotypes. It's even less often that a film that revives a thirty year old franchise is better than mediocre. More importantly, a film that rips apart every Hollywood trope -- things execs hold dear in film making -- shouldn't exist in mainstream media in the first place.