I don’t wanna moan to hard about TRoS tonight, but TRoS’s end product really isn’t at all reflective of the ideas they had going into production, let alone pre-production, let alone the production during TFA. Major plot points, like Palpatine even being in the movie, weren’t there until January 2019, and it’s likely that Rey Palpatine wasn’t even a thing until late summer 2019. Everything was shifting around that much that ideas that old (4+ years old, absolutely ancient) are unlikely to have made it to the finished product of TRoS.

If JJ had anything like Rey being OP and it being because of her bloodline, that’s a hell of a lucky idea to survive the culling that far.