If all you want to do is follow a character's steps and learn things through dialogue, stick with movies and television.
The best novels in any genre get into a character's head, show you their thoughts, and explore the world through their eyes. Description is a requirement in novels.
It's very interesting that you mention this, and it's FUNDAMENTAL to writing.
Like Miles, I personally don't care about navel-gazing. In fact, it bores me and slows down the novel (most of the time, there are exceptions). Some of the best books I've read (e.g. The Alchemist by Paulo Coehlo) are just 'camera-like' in terms of the MC being followed by the camera i.e. the reader. Stuff about character and setting gets revealed along the way. There's very little internal thought from what I remember.
I write exactly like this, and people on AW (and probably agents as well) think my writing is bland. Aside from polishing my writing style to make sure the grammar is consistent and such, maybe the 'bland' response is largely due to the camera style. Is it bland to the average, consistent reader? Meanwhile, I've had a beta reader that, like Miles, doen't like getting bogged down by 'useless' detail. My beta reader reads but he's not a consistent fiction book buyer from what I know, but he has read a lot. Anyway, he feels refreshed reading my stuff because he feels that a lot of fiction writers write in the same way. Writers feel this need to be 'descriptive' and hit the reader with internal thought. If everyone's being 'descriptive', doesn't it get played out?
HOWEVER, you do make an excellent point saying that novels have the advantage of allowing you to get close to the character in terms of internal thought. It's pretty much the only thing a movie CANNOT do and a novel can do easily. Otherwise, i'd say film has the advantage in terms of storytelling.
So my question to you is this: "if a writer is not going to spend time getting into the eyes of the MC, and exploring the world through the MC's eyes, is there a point writing a novel? Is the 'internal thought' the strongest part about novels as compared to film and other mediums of storytelling? Do the majority of readers crave character and internal thought more than anything else?"
I would love to know the answer to that question.