I wonder if this is also hitting things like right-to-repair; a lot of useful information like service manuals and schematics are almost certainly in the realm of piracy, and I've noticed they've become a lot harder to find recently.
Early last month, I found myself turning to Yandex in a search for the out of print manual for a 1980s mobile radio. Google had nothing. Yandex had almost nothing. But it was enough to piece together an answer.