Disney did not have magical light bulbs that never burnt out, that is true - the difference is, as soon as one was spotted it was written up and corrected ASAP. Usually by the extensive overnight crews they had specifically for that, and things like paint touch-ups, etc.
Disney used to pride themselves on things like this, and the fact that they had people working all night long doing things like constantly repainting the curbs (I distinctly remember a Disney Channel short back in the day where they interviewed the curb guys - basically, it took them like two weeks to repaint them all throughout the park, and then once they finished - they went back and started all over again).
So this isn't some fan nonsense or pixie colored glasses - Disney used to heavily promote the fact that they had just as many people working overnight in the parks when guests weren't there as when the gates were open, all to make sure that everything looked brand new every day, attraction effects were maintained nightly, etc.
It may have been overkill, but Disney has no one but themselves to blame for these expectations, because they themselves are the ones that created them.