Also throwaway line is genuinely hilarious considering it’s what causes Luke to almost turn to the dark side and kill Vader.
Things Vader could’ve also provoked Luke with:
“No, there is another.”
Fair enough, I didn’t account for that, but that doesn’t invalidate my argument. All this does is set up the idea that there is some other hope. RotJ pulls out of nowhere the fact that:
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It’s Luke sister
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Leia is that sister
Nowhere had any of this been alluded to.
Bail Organa and Obi-Wan know each other, Obi-Wan trusted Bail with Anakin’s daughter, Bail trusted his daughter to find Obi-Wan leading her to Luke.
That does nothing to explain how against all odds she just so happens to be captured by her biological father, and just so happens to be promptly rescued by her biological brother, who just so happens to be accompanied by her robot half-brother…okay, that last one’s TPM’s fault, but you get my point. It makes the Galaxy Far Far Away feel like the size of a city.
So you admit there’s nobody else it could be?
I disagree with the premise that there needed to be a sister in the first place. Anakin would’ve made perfect sense as the “other” Yoda refers to. But if we needed a sister, I would’ve rather they introduce a new character by establishing Luke has a sister and having him specifically seek her out. Heck, having the sister mentioned but never appear would retroactively be justified in making for a perfect Sequel Trilogy hook where he sets out to find her.
He didn’t seek her out at all. He asked Kylo to kill her.
Killing her still means tracking her down. The point is he sent someone after her because he full well they were related.