Prejudice against speculative fiction

do you think that there is prejudice against fantasy and science fiction? (Fantasy, Science fiction etc')
If so, why? Is it justified?

Yes, but I think there's resistance to anything new.  As science supersedes religion, science fiction will take it's rightful place alongside all of the great genres.  Now fantasy?  Science Fiction is defined, more or less, as fiction that explores the impact of science on societies.  What's special about fantasy?  I'll admit I'm not generally a fan.  Except for the setting, it seems no different from any other sort of fiction, and the differences in setting are sociologically irrelevant.  I see it all as the fan fiction of myth and fable, and derivative of Tolkien.