Earlier quoted context omitted.
>lines here that should not have been crossed without the authors explicit permission, regardless of the utility of the tool they built. Fyi... Google Books (scanned and OCR'd books) eventually won against the authors filing lawsuits of copyright infringement. So there is some precedent that courts do look at the "utility" or "sufficiently transformative" aspect when weighing copyright infringement. https://www.googl…
A number of points in Google's favor: they are not passing off Google books content as their own, they limit your access to a small fraction of the offering. The thing that surprised me about that ruling is that it was deemed final without a chance of an appeal.
An libraries are very special entities.