David Deutsch, who's talking here, in "The Fabric of Reality," embraces the many-worlds interpretation of quantum theory, because the worst that you can say about it is that it's preposterously wasteful.
die "Viele Welten" Interpretation der Quantentheorie zu eigen, weil das schlimmste, was man ihr vorhalten kann, ist, dass sie geradezu lächerlich veschwenderisch ist.