These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
YMMV: Night at the Museum
The first movie provides examples of:
Ensemble Darkhorse: Jed and Octavius originally had minor roles in the first film, but after test screenings they proved so popular reshoots gave them a larger presence.
Strangled by the Red String: Larry and Amelia. Amelia screwed around with most of the other exhibits while Jedidiah's life was at stake while Larry looked like an idiot in comparison and everyone around the complex just said that they were a cute couple.
Which is even weirder when you consider that Amelia is a mannequin
Unfortunate Implications: As Film Brain points out in his review, Amelia is a mannequin and everyone continually tries to pair her with the human Larry. As he puts it, it's like a nicer version of shipping someone with a blow-up doll.
At least Larry himself realizes how very wrong that is, and he tries to tell her why, though he's interrupted halfway through.
The second sequel Secret of the Tomb provides examples of: