It might shock you that some people have opinions that differ from your own.
Exactly, so don't take such comments personally. Three comics were mentioned that involve Talos IV. I was able to chase down electronic versions of two, and I bought the novel that was mentioned. Of those two comics that I read, the "Final Mission" story seemed to have very little meat on it.
There were some generic "transitional" elements between TOS and TMP, plus throw-away one-liners like the bit about miniskirts. Then we find out the Klingons have learned illusion-casting. Kirk pulls an uninspired maneuver—about like the number of movies that have a pilot pull the airbrakes in a dogfight to dupe his opponent—and then the story is over. There was nothing to the story, no developments or thought-provoking concepts. It was on a par with name dropping. Not very exciting. So the Talosians are involved. And? It's anticlimactic.
The vol. 2 #61 story had much more to offer, I just didn't find it compelling. Granted, comicbooks have certain constraints, so I'll cut that issue some slack. I'm hoping the novel Burning Dreams digs a lot deeper. The sequel should respect the original.
In "Return to Tomorrow" Kirk tries to pull moral superiority on Sargon by referring to Earth's age of nuclear weapons. Sargon gently puts him back in his place by explaining that his people survived their nuclear weapons, too, but that a crisis unimaginable to Kirk and company destroyed Sargon's world.
Should we then blithely imagine the Talosians' problems are so easy to understand and fix? They rose to incredible heights, then had a massive collapse. No one was left to support the technology, yet
Pike is just going to come along—worse than quadriplegic—and he's going to learn all their technology, fix it, and even best the reconstruction the Talosians did for Vina by fixing his own DNA and then artificially inseminating Vina? If all it took was one handyman, do you really think the entire Talosian civilization would have fallen?