You are asking a judge to consider that a book is ok to scrape because it's part of a much larger collection of books, perhaps the biggest and best collection, and therefore it's all OK because at scale means good.
Google already successfully argued in court that creating an online search index of books constitutes fair use: https://en.wikipedia.org/wiki/Authors_Guild,_Inc._v._Google,....
Google already successfully argued in court that creating an online search index of books constitutes fair use: https://en.wikipedia.org/wiki/Authors_Guild,_Inc._v._Google,....