I hate Messianic prophecies in general, or the very idea of a Messiah, because it encourages the idea that all hope for the future is dependent on one dude, instead of like, the group effort that is required in real life.
Granted, Star Wars doesn’t incorporate a true Messiah into the mythology. Vader is more like a very round-about Messiah who only saves the Universe after he fucks over the entire Universe. So it’s at least a twist on the idea of a Messiah, kind of like Dune. But I still don’t like it, because it shrinks the Universe by elevating one guy to cosmic significance. At one point, Luke was just a random farmboy and Vader was just a cyborg SS officer carrying out the will of his government. There was a backstory intertwining the two of them, but it was personal, not a matter of cosmic importance.
Nothing is really a “true Messiah” because the Messiah is from Judaism, and (except for Messianic Jews) believe that the Messiah hasn’t come yet. The actual Messiah according to Christianity was of course Jesus Christ, who was a perfect being and the only possible person who could save humanity from sin and death. Jesus specifically rejected the people who wanted him to be like the conquering hero Messiah we have in fiction. He repeatedly told everyone to repent and get their own lives in order, and didn’t fulfill their fantasies of overthrowing the Romans or making himself king in a mortal sense.
There aren’t any messiahs, chosen ones, etc. in fiction who are anything close to that. It’s just a phrase people throw around like destiny or prophecy. The concept has a very specific real world context that often gets tossed out the window.
I mean, I think most people would interpret the word “Messiah” simply to refer generically to the idea of a “Chosen One” who is prophesied to appear at some designated time and play a pivotal role in overthrowing an oppressor. The Jewish concept in the OT (Old Testament, not Original Trilogy 😉) is the origin of the idea, yes, and is also a straightforward implementation of the concept, even though mainstream Judaism teaches the Messiah’s coming is a future event. The concept obviously morphed over the years, going from a prophesied savior from the Romans in the first century modeled after the O.G. King David (with various historical claimants appearing in the first century and failing badly) to various Rabbinical reinterpretations over the years.
The Christian Messiah is a Rian Johnson style “twist” on the original Jewish Messiah concept. Paul of Tarsus was like: “Oh, you thought your Messiah would come and overthrow the Romans with his laser sword? Try again, idiots. Instead, your Messiah will appear briefly and provide free healthcare to a few random people, deliver some cool parables and magic tricks, then get arrested and killed, but then rise from the grave, thus recontextualizing all Old Testament Messianic prophecy as part of an eschatological continuum beginning with Original Sin and culminating in a “second coming” event, where the Messiah will return upgraded with new super-powers and kick lots of ass, rather than a boring Maccabee-style Jewish Warrior King who implausibly defeats Tiberius Caesar. Expectations subverted.”
Most people would think that because they don’t actually know what they’re talking about. It isn’t “the origin of the idea”, it’s the idea.
If you are a Christian, it isn’t a twist on the concept. It’s the original concept that the Jews didn’t understand because they weren’t really paying attention to the prophecies.