You could have both a case that is clearly going to be approved or denied for a few select reasons. You may have just gotten lucky for a variety of reasons. You could have been at the right place at the right time to get a cancellation. There are a number of pilot programs trying to address processing delays. Sometimes they start with new applications versus going back to start processing the older applications first especially if there is a new way applications are being processed. Has nothing to do with having a lawyer. There are other cases that have received a decision quickly who had lawyers.