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Not that I have a grudge against either, mind you...

(Full disclosure: I like "DS9" best, & don't like "SW" at all.)
So, what happens to pop culture if Gene dies before he sells "ST:TOS", & George before "SW" gets made?
One obvious thing: "Big Bang Theory" is going to lose some good gags.
Space opera's likely to be much less popular as a film genre.
Nobody knows what a Vulcan neckpinch is.
Does TV SF ever evolve away from the "Twilight Zone" anthology? Or does it copy early '40s literary SF, instead?