I don't think this is a reasonable argument, but I do think it might still prevail in court, which from the POV of the authors an their lawyers makes it a worth

I don't think this is a reasonable argument, but I do think it might still prevail in court, which from the POV of the authors an their lawyers makes it a worthwhile filing. Personally I hope it doesn't prevail, the implications for how people learn and synthesize based on an existing corpus is too profound.