And some of it is a matter of not overwhelming your audience – when they watch your pilot, you want them focused on the core of your franchise. This is what’s going to hook them. If that core is cluttered up with too many distractions, it’s hard to see what the show is going to be about on its basic level, and a confused audience is not going to be rushing back to find out what happens next when they’re not sure how much of what they’ve just seen is actually germane to the series.