In fact, an argument could be made using those same movies as an example, that these excessive IP laws have the exact opposite effect and actually end up stunting creativity and originality as the big corporations aim to milk every last penny from decades old franchises and ideas, instead of seeking new and original concepts, because the former is a far more profitable endeavor. I mean, look at the state of Hollywood right now - when was the last time you saw a truly novel and noteworthy movie, not based on an already established franchise/idea/series?