Well, for me, I think there is a difference between what Pixar does and what the people for the Star Trek films do. People at Pixar for their latest film, Brave, went to Scotland and studied the architecture of castles. I get the feeling that the people involved in these ST filmes didn't study the architecture of ships.
You expect them to go to the future and get inspiration from space navies for their designs ?
I want them to invent their own stuff. That's what sci-fi is all about. If you do things exactly like real-life, where's the fun ?