"It’s not realistic for a corporation, even a multinational titan with a large staff, to track down and compensate even the living authors"
Then they shouldn't use those materials to train their LLMs.
Then they shouldn't use those materials to train their LLMs.
So for the first time, peoples who had generally been left out in the internet age are now able to perform queries in their own languages, and people from elsewhere doing queries now get to draw also on the information from these parts of the world. This would have never realistically happened under any copyright-respecting project that painstakingly sought author or publisher permission; there just will never be sufficient manpower or funding for specifically that.