If you're the type of person who enjoys picking apart movies, by far the easiest (and most amusing) starting point is to simply rewatch the movie from the villain's perspective. What does the villain actually want? Does the way he's going about it make sense at all? The answers are usually ridiculous.
There's no easier way to make a movie character likeable than by having him heroically sacrifice his own life. Of course, sometimes 'heroically' means 'stupidly.'
If your movie is about, say, giant robots or ghost police, that's probably not the time to try to cram in some message about how we should vote next November.
Yes, even in the age of computer effects and entire sequences shot in front of a green screen with tennis balls, there is still no substitute for gross neglect of human safety.
Sometimes the companies or creators will actually address their fans and say, 'You think you could do better than us?' And sometimes the fans will answer back, 'Um, actually, yeah.'
Apparently, Hollywood makes stuff up on the fly all the time. Here are some examples of memorable scenes (or even entire movies) that only happened because something went wrong.
We know as well as anyone that tattoos are an instant shortcut to becoming cool, but misinterpretations do happen -- and you've seen more than a few on the big screen.
Guess what? There are still filmmakers doing special effects the old-fashioned way -- even if the results are so impressive that you'd never know it's not CGI.
Sometimes things are changed for a good reason -- and other times they just flat-out lie and make real people look like evil, cowardly, petty douchebags for the heck of it.
Writers will often do everything possible to avoid pointing out the troubling implications of their innocent plot ... but don't worry, that's what we're here for.