That's the most likely use case for anyone. You want the one-offs when cracking, and not a compressed 2GB blob of data that may or may not have your answer.
B. The king of search has held the goal of organizing and making information useful and searchable since dinosaurs roamed the WWW.
C. It's just lazy and shows that they don't actually care anymore. Making a custom search has been their bread and butter for decades. The last step is the easiest but they could not be bothered.