Rather than pursuing high-upside, low-probability moonshots, which fail more often than they succeed, might it not be more effective to go for interventions that robustly generate value across as many worlds as possible?
Basically, you can treat fraction of worlds as equivalent to probability, so there is little apparent need to change anything if MWI turns out to be true.
Should we be maximising expected value across many-worlds?
Assume the many-worlds interpretation of quantum mechanics is true.
Rather than pursuing high-upside, low-probability moonshots, which fail more often than they succeed, might it not be more effective to go for interventions that robustly generate value across as many worlds as possible?
See here: https://80000hours.org/podcast/episodes/david-wallace-many-worlds-theory-of-quantum-mechanics/
Basically, you can treat fraction of worlds as equivalent to probability, so there is little apparent need to change anything if MWI turns out to be true.