A friend of mine and me (over- and over-)analyzed Voyager over the years. In fact we found it so involutarily ridiculous that we wrote around 30 parody episodes of Voyager in the absurd humor style, here's an excerpt:
(Janeway and Tuvok are in a room; there's a door on one of the walls.)
Janeway: We're trapped. What should we do now?
Tuvok: I could try to modify the door in such a way that it is open.
Janeway: How do you want to do that?
Tuvok: I will pull this lever.
Janeway: I don't have any better idea myself (hesitates) Try it.
(Tuvok pulls the lever, the door opens.)
Janeway: Well done. I will add a positive record to your personel file, but now we've got to get out of here.
Anyway my point is that a lot was due to the bad acting, a terrible lot. Some stories weren't actually so bad, but the bad execution made it look like nonsense. The same stories with the actors of DS9 would have been actually somewhat decent.