I addressed that already. Obi Wan is saying that Luke has to be willing to kill Vader, but he’s not sending him to kill Vader, as that would be pointless. The word they use is confront. I already posted this somewhere else but there’s a quote from one of the Timothy Zahn books where Luke talks about this, he says that he assumed that when they told him to confront Vader that that meant he would have to kill him, but that was wrong and that wasn’t necessarily what they meant. Not that that is Disney canon or G canon, but it shows that before the prequels that was the normal interpretation.
Do you remember which book?
In the conversation they’re having right before this exchange, they’re disagreeing on whether or not Vader has any good left in him. I feel like the post-prequel interpretation makes more sense to me than Obi-Wan just wanting him to be prepared to kill Vader.
Why is sending Luke to kill Vader pointless? What’s the difference in sending him to “confront” Vader if he has to be willing to kill him, anyway?