A world of intelligence too cheap to meter is more teleological: constraints and tradeoffs that exist now are washed away, and what matters is mainly what people ultimately value. And more people ultimately value animal welfare than animal diswelfare. The main game is wild animals, and the ~only way for things to go well for them is if we build an ASI that can eventually reshape the natural world to be less suffering filled. I think it is very unlikely farmed animal suffering is exported to other galaxies in a major way, because at technological maturity animals will not be the mose efficient way to meet human material needs.
I'm thinking of AI-thesis hedge funds like VARA and SALP, but they are difficult to get access to without being very wealthy. My understanding is @Austin is considering setting up a DAF vehicle for people to get exposure to such funds, so I would recommend talking with him.
But I think expecting returns something like 50-100% p.a. would be reasonable, based on historic performance of these funds. As one intuition pump, suppose that AI and robotics and semiconductors and associated supply chains are about 3% of total capital today, and will grow to be the vast majority of capital after an intelligence explosion, then just being exposed to those industries gives ~30x returns over the coming ~decade, and it is likely possible to do better than this with more targeted bets.
But one might think that this is all lunacy and we should rely more on base rates and the efficient market hypothesis. Seems mistaken to me, but I respect that view too.