Robert Comsol wrote:
Of course and most likely, the Q Continuum would have put a stop to Mitchell's rampage (where do the Q come from, did they also encounter the energy barrier?) but Kirk did it himself, so they didn't see the need to interfere.
There's a pro novel in which the author used the idea that Q was
the energy barrier, and when the ship plowed into it, there were a few humans who got limited Q powers. Being human, with no knowledge of how to handle so much power, they handled it very badly.
Or he could have just beamed up once he saw Dehner had gone the same way and glassed the planet from orbit.....
Gary could easily have made the ship blow up, or crash into the planet. He had to be stopped, period.