We defend the many-worlds interpretation of quantum mechanics (MWI) against the objection that it cannot explain why measurement outcomes are predicted by the Born probability rule. We understand quantum probabilities in terms of an observer's self-location probabilities. We formulate a probability postulate for the MWI: the probability of self-location in a world with a given set of outcomes is the absolute square of that world's amplitude.There is no world's amplitude. This paper is just nonsense.
If MWI really predicted probabilities, or predicted any measurement outcomes, you would not need philosophy papers like this.
The whole point of every other scientific theory is to predict outcomes. If MWI does not, then what is it doing for you?
The paper claims that MWI can make predictions, but it is just a stupid hand wave. There are no physics papers that use MWI to predict and experimental outcome.