For more than a few academics, making big $$$ as an expert witness is a magnificent source of side income. (Fees of $1,000/hour, including lots of open-ended prep time, can be found.) That begs the question: Did the research lead to the desire to be an expert witness? Or did the desire to be an expert witness define the nature of the research project?
We'd need to know a lot more about the origins of this project before being able to referee this one. But if the state of California is worried about litigants using "researchers" to find and filter data that ordinarily would be available only through legal discovery processes, that's not a crazy worry.