A couple of things -- the promotions are absolutely ridiculous. Kirk goes from being a cadet (a grounded one under disciplinary review at that) directly to being Captain of the fleet's newest ship? No. Not even a little bit credible. Scotty, same exact thing.
"Now I did a job -- and got nothin' but trouble since I did it, not to mention more than a few unkind words as regard to my character, so let me make this abundantly clear: I do the job... and then I get paid. Go run your little world."