Is Stephenie Meyer Taking Her Fans for Granted?

Because I haven't read even one paragraph from any of Stephenie Meyer's Twilight books, I can't claim to know anything about them other than what I've picked up second hand or from my own limited observation.  Based on seeing them in every bookstore I've been in for the last several years, I suspect they have all sold well.  I know that my granddaughter read and enjoyed the whole series and had