Cryonics was mentioned, but nobody mentioned irony that if you replace P(doom) with P(cryonics doesn’t work), you get pretty good argument in support of cryonics, and if you account for the whole “possibly murdering everyone in a mad bid for immortality” business cryonics is clearly superior and progress in cryonics is non-glacial and we have alternative in form of formaldehyde fixation and we are likely to get mind uploading technology in 50 years, which gives us for free benefits of AGI without majority of downsides.
We have such good chances in getting all the universe, let’s not destroy them by rushing.
It’s tiling agents+embedded agency agenda. They wanted to find a non-trivial reflectively-stable embedded-in-environment structure and decision theory lies on intersection.