Bear in mind that the efforts made by the authors of such papers do so in an attempt to bring some semblance of reality to the vacuum left by those who do have lawful access to all the data, but feel bound or obliged to "sit" on it.
Some are. But a few are those peddling books or pitching articles to magazines; talking heads who want to appear on TV; quasi-experts who are touting their businesses; pundits pushing their pet-conspiracy-theories, etc.