Interesting; my interaction is mainly with the popular literature, so I'd gotten a slightly different impression.
Of course, this is heavily influenced by having recently finished Hawking's The Grand Design -- which, while it doesn't say "Many Worlds" in as many words, is essentially grounded in it as an underlying assumption, far as I can tell. (Indeed, a good chunk of the book is taken up by discussing the anthropic principle, and the fact that the highest-probability versions of the universe are probably boringly uniform from our POV.)
That said, The Grand Design is a semi-philosophical work -- basically an extended refutation of the necessity of intelligent design -- so it shouldn't surprise me that it wanders a bit afield from the more pragmatic parts of the field...
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Of course, this is heavily influenced by having recently finished Hawking's The Grand Design -- which, while it doesn't say "Many Worlds" in as many words, is essentially grounded in it as an underlying assumption, far as I can tell. (Indeed, a good chunk of the book is taken up by discussing the anthropic principle, and the fact that the highest-probability versions of the universe are probably boringly uniform from our POV.)
That said, The Grand Design is a semi-philosophical work -- basically an extended refutation of the necessity of intelligent design -- so it shouldn't surprise me that it wanders a bit afield from the more pragmatic parts of the field...