I'm surprised to hear so much pessimism. THe concept sounds right up her alley, providing ripe opportunity for the kind of somewhat over-the-top british-y humor and conflict that permeated Harry Potter. Kind of like when Umbridge took over the school or the ministry of magic stuff in later books.
It opens with the sudden death of a popular man whose unexpected demise shocks the town. The battle for his seat on the local council sets off "the biggest war the town has yet seen," with rich people fighting poor, parents battling their teenagers, and wives in conflict with their husbands.