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Is there a reason for this? Wouldn't that have been a helpful thing to say?

marked as duplicate by Wad Cheber, Jason Baker, Null, Rand al'Thor, NikolaiDante Jan 2 '16 at 23:19

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  • Because he's a lying schmuck. – Valorum Jan 2 '16 at 22:44
  • The out-of-universe reason is that Vader didn't become Luke's father until ESB. When ANH released everything ObiWan said was true, not from a certain point of view but in general. – TZHX Jan 2 '16 at 23:41

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