Even assuming your interpretation is correct, the claim is not that immortality would be boring. The claim is that nothing could be more boring than immortality. I would argue that an infinite series of observer-moments, each with a non-zero chance of being interesting, is ridiculously obviously less boring than a finite series of observer-moments concluding with ceasing to exist.
Even assuming your interpretation is correct, the claim is not that immortality would be boring. The claim is that nothing could be more boring than immortality. I would argue that an infinite series of observer-moments, each with a non-zero chance of being interesting, is ridiculously obviously less boring than a finite series of observer-moments concluding with ceasing to exist.