re: Why did Luke bother leaving a map to him?

And of course theres this:

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POE
That droid's got a map that leads straight to Luke Skywalker!

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and this

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FINN
Apparently he's carrying a map that leads to Luke Skywalker, and everyone's after it.

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And this

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MAZ
A map to Skywalker himself?

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And still more

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C-3PO
General, I regret to inform you, but this map recovered from BB-8 is only partially complete. And even worse, it matches no charted system on record. We simply do not have enough information to locate Master Luke.

LEIA
I can't believe I was so foolish to think that I could just find Luke and bring him home.

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So somebody other than Luke, constructed a map to Luke. Even though they had never been to see Luke, and got it completely accurate, yet had no stored data in their computers to go off of

Is that your assertion?

quote:

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Yep. And someone other than Luke placed the second half of the map in Luke's old droid.

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Which is impossible, since CPO said R2 had been in low power mode SINCE Master Luke left

Luke was the last person to interact with R2, before actually going to where the map led to. He shut down after that