But thematically the end should have been Rey at some sort of symbolic of grave for her parents, illustrating that she has moved on. She might even have given the sabers to Maz to suggest that those guided by the Force could one day follow this path or something. Instead it’s just a nostalgia scene for us, not her and not for Luke. She probably buried the sabers on top of Owen and Beru’s bones, insulting their remains. If they haven’t been picked clean by Jawas years ago along with the rest of the farm.