Are there any moral implications of accepting the Many Worlds interpretation, and if so what could they be?

For example, if the divergent copies of people (including myself) in other branches of Multiverse should be given non-insignificant moral status, then it's one more argument against the Epicurean principle that "as long as we exist, death is not here". My many-worlds self can die partially - that is, just in some of the worlds. So I should to reduce the number of worlds in which I'm dead. On the other hand, does it really change anything compared to "I should reduce the probability that I'm dead in this world"?