Imagine, for a moment, football commentators who refuse to explain formations and plays. Or a TV cooking show that never mentions the ingredients. Or an expert on cars who refuses to look under the hood of an automobile.
These examples may sound implausible, perhaps ridiculous. But something comparable is happening in the field of music journalism... http://www.thedailybeast.com/articles/2014/03/18/music-criticism-has-degenerated-into-lifestyle-reporting.html