hmm... It looks like you are describing internal things (thoughts, opinions, memories). I tend to adhere to the question of hands: If it's a real distinction, I would take some (concrete and physical) action differently.

For Zhuangzi, the question is if I'm a butterfly dreaming its a man and NOT a man dreaming he's a butterfly, what would I do differently with my hands? (or wings). If there is a difference, this it's relevant, if not, then not.

Your last question, "more utility in changing the way we view the situation or leaving the two things as indistinguishable?" Presupposes a difference which we choose to ignore. It is distinguishable, just we are not doing it. Which means it may be relevant