—”Is there an actual link — anywhere — to the data that shows this?”
YES.
The link is highlighted in the article, shown as 291,234.
Even their own website seems to be way short on info, where they mention their scorecards but do not link to them anywhere. A "trust us, and trust what we say is inside this black box" approach isn't the best avenue to take.
If the courts won't listen -- which they won't, as this newly-created group is finding out just like tons of others have found out previously -- then inform the public as much as possible with actual verifiable data, and not just videos TALKING about data.