Picture the scene - it's 1966 - people are pitching Gene Roddenberry ideas for episodes. One guy comes up and says:
"Ok, so we can have a scene where they skydive from fucking ORBIT onto a massive energy drill thing, have a swordfight, fall off, and get beamed back aboard the ship, and it'll look great and won't be too expensive to film. Later on, Kirk will be chased across an ice-planet by a non-cheesy looking monster. Even further on - Kirk and Spock will infiltrate the bad guys' huge scary looking ship, have a gun battle, a fistfight, then blow it up with a suicide run. Remember this will all be well within our capabilities and will look outstanding..."
Do you think Roddenberry's response would have been: "Bah, not intellectual enough!"
Or: "All in one two hour story? Sign me the fuck up!"