That's a technical term, because it's incredibly difficult for an Appeals court to overturn findings of fact. It would require finding the Judge clearly erroneous, and they didn't need to go through the hassle.
"In a 125-page unanimous ruling brimming with palpable derision and frustration, the United States Court of Appeals for the District of Columbia Circuit nullified all three parts of Judge Jackson's ruling in the case and removed the restrictions he placed on the company's business practices, even as it made reference to many of his conclusions."
https://www.nytimes.com/2001/06/28/business/us-appeals-court...
"In a 125-page unanimous ruling brimming with palpable derision and frustration, the United States Court of Appeals for the District of Columbia Circuit nullified all three parts of Judge Jackson's ruling in the case and removed the restrictions he placed on the company's business practices, even as it made reference to many of his conclusions."