The linked article ends with mitre confirming the outcome is what the curl project wanted. The dispute process is there exactly because some cases are ambiguous, or hard, or people involved are annoying. Whenever there are two sides with a dispute, one will likely claim Mitre handled something wrong, by definition of a dispute. They get to make decisions. So what exactly do you want from this case? Perfect decision making every time? They're handling thousands of cases and there will always be mistakes at that scale - some will be subjective things that people will disagree about forever.