I'm all for new mechanics but you know what felt really samey? All the non-dungeon POI's with their repeated mechanics (zombie on the floor in middle of the room, zombie in the corner unobstructed by anything and killable from the doorway, walking into a building and seeing everything there is to see from the door, a room with a couch, a dresser, a tv on the wall, chairs, and drapes, maybe a duffel bag in the corner, go up stairs --> end of hall --> bedroom --> ladder --> attic) It grew old and new was made. In the future new new will be made and hopefully with new mechanics.
But why more of old?