Again, people are making story conclusions before the story is over. We still don't know answers to most of these questions, even if we thought we got the answer in this one. Everything could change.
For example, something that stood out to me was when Snoke was talking to Kylo at the beginning he said "The seed of Skywalker still lives." Now, he could have meant that figuratively, as in the hope in Luke, or the seed of good still in Kylo. Or it could have been literally...
Anyways, I just wish people would stop freaking out about stuff that we don't know yet. The pacing of the Finn/Rose spinoff and Leia in space are enough to argue about because those are story flaws. Things like Rey's parents and Snoke's lack of background can still remain to be seen.
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