Red button blue button, but you know the multiverse is real
Red button blue button, but you know the multiverse is real, and infinite, and every version of yourself in every universe is making the same decision and will come to the same conclusion as you.
However, other people will come to different conclusions depending on the universe due to mild differences in said universe, they will still be biased towards their original belief: e.g. a strong red button advocate is unlikely to be switching their vote in other universes.
This means every possibility will come to pass in infinity/n worlds.
Does this change your answer?