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?

>>13
The works of Jules Verne, Frank Herbert, Philip K. Dick, and Arthur C. Clarke are widely recognized, have had a huge impact on society, and have been made into dozens of films. I could go on, but I want to give a special shout out, out there, to Mr. Gene Rodenberry!