I thought it was a good movie and deserves the 6.5 rating. Butler holds the movie together well, Coulter made for a fun buddy, I disagree that the action was bad. Overall the movie is pretty good and hence got a pretty good rating from most people. So the answer to your question is, your opinion is subjective and happens to disagree with the majority opinion. That's fine. Just move on and don't become one of those people that's posting hateful threads about the sequel Ship when it comes out in a couple years. Because it's probably going to be more of the same. So save yourself the headache and just move on.