That was exactly my thought, also. Some things that don't directly make money are part of creating the overall experience - which is what draws us all down there.
Speaking of dark chocolate... last year someone brought be a Perugina Nero bar from Italy (from Europe, not Epcot). It was very, very good. Unfortunately, I cannot locate a source for them here.
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First - I second the poster that said be careful of taking a trip through your viewfinder. Even though I go regularly, I still find days/trips where I forgot to be a kid again.