And if you think you can't apply Campbell's work to "deep character studies," you don't know the breadth and scope of his work, or that flawed characters are what makes the hero likeable or at least worthy of our interest. Perfect is boring. I would argue that the protagonists in 2001, the Sopranos, Game of Thrones, etc. have more in common with Wolfram von Eschenbach's Parzival (Campbell's poster child for the flawed hero who's always getting things wrong by trying to do the "right" thing) than you know.
I guess the biggest problem is that our Hollywood storytellers are a reflection of our larger society and culture which in case you haven't noticed are in a bigger state of collapse than the summer box office receipts. But that thought is too depressing to delve into right now, even by
Hokey religions and ancient weapons are no substitute for a good blaster at your side. - Han Solo