If you're well familiar with the idea of the world ending, the precise mechanism doesn't seem to be that important.
I think what's novel is the idea that humans can meaningfully affect that existential risk. However that's a lower bar / closer jump than the novelty of the whole idea of existential risk.
If you're well familiar with the idea of the world ending, the precise mechanism doesn't seem to be that important.
"If you're familiar with the idea of Christians being resurrected on Judgment Day, the precise mechanism of cryonics doesn't seem to be that important."
"If you're familiar with the idea of angels, the precise mechanism of airplanes doesn't seem to be that important."
If it's worth saying, but not worth its own post (even in Discussion), then it goes here.