I Grok Spock said:
What you all fail to recognize is that Gene Roddenberry was already dead by 1964. He was killed by an extended episode of boozing, pot smoking, and early LSD experimentation following the cancellation of "The Lieutenant." Roddenberry's body was preserved at the direction of Eileen Roddenberry by the efforts of Fred Phillips and fitted with rudimentary armatures for manipulation by the Howard Anderson Company. In this way she could still receive residuals from possible future airings of the "Lieutenant" and "Dragnet."
It didn't take long for Mrs. Roddenberry's ambitions to move beyond the occasional modest monthly cheque. Through an intricate and elaborate plot involving Lucille Ball (Eileen's long-time Canasta partner), Herb Solow, Bob Justman, writers, actors, film and television crews, convention organizers, and an assortment of simulated mistresses it was made to appear that Roddenberry was still "alive" and "created" and "produced" television "shows." Despite a number of incidents in which this scheme was nearly discovered (why else would Gary Lockwood be cast in the second Star Trek pilot, and what do you really think happened to Jeffrey Hunter?), the plan worked as intended until the cancellation of the original Star Trek series.
At this point, Eileen handed over day-to-day operation of Roddenberry to co-conspirator Majel Barret, who had discovered the true condition of the deceased producer when she attempted to sit in his lap during a casting session. In subsequent years, the Roddenbot was brought out of storage for convention appearances and the occasional "production meeting" for The Motion Picture. Cost overruns on the first Trek film gave Barret the ideal excuse for "retiring" the puppet producer, which was by this point becoming decidedly tatty and bloated.
Further near-discoveries notwithstanding (why do you really think Gates McFadden was brought back to The Next Generation) the operation continued beautifully for six films and a spin-off series with "Roddenberry" increasingly disappearing from day to day running of the franchise.
Finally, in 1991, the Gene-machine was refurbished for one last appearance to commemorate Star Trek's 25th anniversary. Immediately thereafter, with the future of the franchise apparently well-established without the need for his personal involvement, the long-ago passing of Roddenberry was made public.
Therefore, as you can see, nothing that we now know and/or love as "Star" and/or "Trek" had anything to do with Gene Roddenberry.