From where have you got this notion that there is an "apparent belief" that Sean_M is the "sole possible source" of new route information? This is not apparent at all, and I haven't seen any discussion to that effect by any other contributors to this forum. It is entirely logical that other sources will be quicker to news from their own home countries ... one would expect that. And no one person can be first to every piece of news coming out of the industry. Nobody here is deluded enough to suppose that.
Sean_M does a fine job. Give credit where it is due.