It's interesting that you decry Trek's political credentials though because a fair chunk of TOS, TNG, DS9, Enterprise, and Discovery has a political dimension. Plus, seeking a negotiated solution is clearly an obvious option for an alternative approach to the hostages situation.
It's a big, diverse franchise. These just happen to be the stories that are least-engaging from my point of view. I've already explained why: You can do these kinds of stories in virtually any genre. My preference is for Star Trek to swing for the fences. If they fail, that's better than putting out yet another "Klingons and Cardassians are aligned with the Breen against the Xindi, Pakleds and Horta...and the Federation needs to play a role for the sake of the future of the galaxy" story. Sorry, I just find it boring compared to concepts like TFF. Like I said, not gonna change my mind on that one. I don't hate those things...but I also don't really care about them. DS9 was a great show, but my faviorite episodes were always the ones that took a break from the Dominion War arc for more explicit sci-fi tales, for example.
The assault clearly put the hostages at greater risk and was not really fitting with previous behaviour by Kirk.
This is precisely my point. After all the data Kirk has in hand about the situation, not to mention his orders and the fact that the transporter is not an option (making an extraction even more difficult), his first instinct is to deceive the terrorist forces and go for an all-out armed assault. He doesn't even try to talk to them ("Respond with static"), which seems completely odd.
The exchange where he orders Spock to shoot Sybok rings a bum note on so may levels.
This I don't agree with. The
Enterprise is one of the most advanced and powerful ships in known space. It would be an unbelievable instrument of terror in the hands of a madman whose purpose and capabilities had not yet been ascertained. He also knows the ship is significantly undermanned, so any hope of regaining control is probably very low as a result if they let Sybok and his followers out of that bay.
In fact, Kirk was most likely correct in his ultimate fear, because if things had gone a little differently, and Sybok had not gone down to the planet with Kirk, it's very possible he would have fallen for the deception ("It will be your chariot!!!" would not have been followed with the classic "What does God need with a starship" line) and that frigging evil thing would have been out laying waste to the galaxy.
I can see how he'd want/need to put him down right there. Also, you have to keep in mind that because of Sybok, they very nearly killed themslves (crash) or could have ended up destroying the entire ship (Klingon attack with shields down). Then, Kirk got his ass absolutely handed to him by Sybok in a fight, and was on the verge (as far as he knows) of being choked to death. I'm sure Kirk's adrenaline and nerves are at a max-out at this point.
A political discourse was also still a possibility. I suppose the question for you is what alternative approach that still fulfills my idea of 'exciting' sci fi could the characters have taken.
I'm not so sure I'm arguing what would have been better for the movie. For the record, I like
Star Trek V and I like the assault on Paradise City as a sequence...and I'm very pleased that they didn't go for a
Jean-Luc Picard 45 min negotiation solution. I'm more thinking that in-story, for the characters and the situation as presented, the action Kirk takes is not logical. If they had presented different or additional facts that would have made it pressing for an armed solution, that would have made more sense, I guess.
If the planet itself is Sybok's destination then he doesn't need a starship but... God needs a starship. Maybe only a powerful phaser blast or anti-matter explosion can sunder the dimensional prison. The need to attend the planet is dictated by the hostage situation. Sybok's need for it is purely plot driven.
I've always assumed that the being at the galactic center reached out to Sybok's mind in much the same way that V'Ger touched Spock's mind, except it was able to manipulate him into believing certain things. It probably helped that Sybok was already a believer in some presence and concept (Sha Ka Ree was an ancient Vulcan concept, for example, that was already within Sybok's belief system) that somewhat matched the being's situation. In fact, you could argue that the being has been trying to reach the Vulcans (who may have been particularly sensitive to contact for whatever reason) and created the whole "religion" of Sha Ka Ree thousands and thousands of years ago in their collective minds as a long-game to lure them to the planet-prison. Sybok just happened to be the first person with the means (and the mental / psychic power) to see it through.
I also assume that the energy the being is made out of cannot traverse the barrier, so it needs to merge itself with a physical vessel with minimal capabilities (in this case, a Federation Starship), in order to get into normal, open space...where its power will multiply and it can do all kinds of devious and treacherous things to everyone.