I don't think it's always a sign of respect for persons (inside or outside of fiction) to pretend to be able to represent, to have access to, their multi-dimensionality at every moment. That doesn't imply people aren't multi-dimensional.
You said your cousin was a necromancer. You know how the natural necromancers operate?" They twisted the head off your favorite doll, stuffed a dead bird into it, and made it walk around. And then they were puzzled why you got upset.