I love this, thanks for writing it. And I’ve generally been enjoying your posts, thanks for writing them. Only tangentially related to the core of the post, but:
[...] the numbers are so alien and overwhelming that one suspects that any quantitative (and indeed, qualitative) ethical reasoning that takes them as inputs will end up distorted, or totalizing, or inhuman.
This does seem like an important crux for longtermism and I’d be interested in more attempts to explore it.