I think that a lot of writers fear, even if just subconsciously, that if they're not constantly hitting the hight-notes of the genre then people are going to lose interest, what, with all the talk of short attention spans, the crowded media environment, and the varied forms of competition that comic books have to compete with at their price points. This has led to a number of cracks in the foundations, I think, that are ultimately unhealthy in the long term. Spidey's supporting cast is absolutely doing better than some but even so, you know?