Could it ever have been anything else but opinion? However, he's gathered evidence, he's interviewed dozens of parties, and he has consulted with a psychological expert with decades of experience in the field. Having accumulated all that information, he points out inconsistencies and other factors that brought him to his conclusions numerous times. He did a thorough job. A long enough period went by from when the incident first became public to the report being issued that people became emotionally invested in the outcome. So in the end, you and many here were never going to support the findings if the report came to conclusions that differed from your own. The report will, however, be credible to Ross and to Goodell.