I think this just goes to show you the power that some well put together info graphics, attractive photography, and interesting content can get you. Even though it's a scam, they know how to package it correctly.
So what this article is really saying (although reluctantly it seems) is that methodologies really do work, it's just not that they're the end-all and be-all. You need to have common vision and communication that works around the team's goals and personalities. Seems to be pretty common sense to me.