Yet I distinctly remember one of Lee Child's books starting with dialogue - worked just fine. Now his writing is by no means excellent, but successful he certainly is. Seems like dialogue as opening is just your personal pet peeve though Goes to show how subjective writing is and how getting published is, to some extent, pure luck. Out of interest, why does dialogue as opening irate you so? I just started something where I open with a line of dialogue, you see so genuinely curious. It's not my norm to do so - it just happened that it suited the scene I was working on.