Disagree. And I think more people need to jump on board with the awesomeness that was Wrath of Khan.
There are no empty scenes in the movie at all. Every set is necessary to either the overall story or the depth of the ancillary parts of it. Shatner nailed every single part of Kirk in that movie in a way that he never did again. The final battle is, in my opinion, probably the greatest "submarine" battle sequence in movie history, the music, the tension, the silence, the drama, the script, all if it leads to an ultimate moment where if you aren't cheering you are soulless.
Meanwhile, the undertone science fictions themes are perfectly told. The continuation of the universe created by Roddenbury was immaculate. This movie was everything that current Star Wars fanboys want - some kind of homage to the past while being different, but not too different because different is bad and the originals are awesome, so give me something good, but not too good because that is selling out - or whatever the ridiculous nonsensical argument against the new Star Wars movies are. No, Star Trek got it right in the movie. It got everything right.
It also ranks right up there with Godfather II and Empire Strikes Back as the greatest sequels in the history of cinema. It took beloved characters that everyone knew, and told a story that was amazing, both in continuing themes we all knew and charting it's own path. It can be a stand alone movie and be brilliant there as well, giving you just enough of the history of why everything was happening that if you saw this movie cold without knowledge of the first or the TV series, you still can enjoy it for the great science fiction it was full of characters that stand the test of time.
The reveal of Kirk cheating the Kobyashi Maru was brilliantly told to the audience - the alpha hero who wasn't nearly as heroic as he is portrayed. The fight between science and humanity with the use of the Genesis device is a story that never gets old when done right. The chess game between Kirk and Khan was acted perfectly and when Kirk opens his communicator to talk to Spock two hours after being told the ship was dead, the cut scene to McCoy smirking like the Grinch that Stole Christmas was the look on everyone's face in the theater and since when watching - yeah, that's Kirk, doing it again, being awesome, I knew it! The death of Spock was perfectly told between the two men that played those roles. In as much as the fun of Star Trek is the overacting of Shatner for years, that scene was brilliant - just enough overacting to be the character, but powerful and honest. You saw Kirk truly hurt for the first time ever in the history of the show. You saw him vulnerable truly for the first time. They couldn't have written it better if they tried.
And of course Khan, easily top 10 science fiction bad guy in movie history for this movie. The Shakespearean tragedy of his character gave us Captain Piccard decades later because it was so well done and intertwined into this story. He was a bad guy you didn't want to die while you were wishing for Kirk to beat him. Just brilliant.
And then Kirk's funeral speech. Five minutes of the most powerful writing in the history of the entire universe created by Roddenbury. That speech is right up with every magnificent moment that Star Trek has given us. Tons of movies have funeral speeches. Most fall woefully short of being as close to as powerful as Kirk's was for Spock.
This is clearly one of the best movies ever created. 30 points wasn't enough.