Having a mega-successful movie franchise is a whole thing. You want to keep the existing fanbase happy, but you also want to keep bringing in new viewers. As not just a horror series, but an iconic horror series, Scream had it tougher than most. There’s only so many times you can bust out the same killer rampaging through the populace and have it make sense. (This is why Friday the 13th just stopped trying. Jason is in space now, don’t worry about it.)