I guess the operative word is 'diminish'. When they say the 1701-E has 24 decks and then later refer to deck 26, that diminishes my enjoyment but doesn't prevent it.
I think sometimes to err is simply human.
I don't know how many times I've written something, proofread it numerous time, then posted it or sent it via e-mail and then realized there was a big, glaringly obvious error in it that I should have caught.
Yeah, the mistake in Star Trek: First Contact
stinks, but I can understand it happening.