I struggle with this.
I love the minutiae, trivia and production history, and caring about that protects the essence of Star Trek.
But, constant “Well, actually…” nitpicking can drain the fun from this thing, and leads to arguments with others who love this. And that’s bad.
CANON AND CONSISTENCY. I think TOS is surprisingly self-consistent, especially in comparison with other tv shows of the era, and I appreciate the world building it establishes, but of course it has many little contradictions that make the idea of “canon” a bit slippery…
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