Not necessarily, because the prologue seems to be there to establish that his death wasn't definitive rather than GRRM's simple use of the trope creating all this doubt and speculation. It's purpose being that it explains, in depth, the experience of wargs after death which seems to very much relate to Jon's final chapter. If the prologue wasn't there I'd probably move more towards your opinion on the matter.
I mean I think GRRM can still kill off a POV character without his use of the "fake-out" trope being a problem as with saw with Quentyn's final chapter. Although the character didn't actually die from the wounds until the next chapter I don't think there was any doubt in the readers mind to his fate when they finished the chapter before.
But I do think there's a limit to these "fake outs".
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