In maximizing the expectation value, expected utility theory assumes that individuals can interact with copies of themselves in parallel universes. If you could make a million copies of yourself and each copy played Russian Roulette for $1 million each round, then there is one version of yourself that would get extremely lucky and make a ton of money. But reality doesn't work that way. We do not live spread out across a multiverse. We live one life, through time. Ergodicity Multiverse Reality