I was planning on having more enemy models and more dynamic UI elements, but had to turn down the scope a notch. Regarding the juice, yeah, I think the player getting hit event in particular needs to feel more "severe". I probably should have used more screen shake in some situations. Also, It shows a representation of the hitbox in focus mode, but I don't think I made it clear enough. The ship model could probably use some detail on the center for the player to focus on.
Thanks for the detailed analysis. You've given me a lot to think about.