No matter the location, or the photographer, they always seem to work. Wagner's presence in a photo recontextualizes the photo's subject matter. Wagner is wordless commentary. Take a photo of Dan Quayle or the Grand Canyon with Wagner, and instantly there is an implied commentary. For me, the comment is that things are rarely to be taken at face value.
Everyday thought is a kind of shorthand, with the brain operating as a complex filter.
It has to be that way, or else you would not be able to do anything. The welter of detail would be too overwhelming. It is the same with photos. The presence of Wagner in a photo is jarring. It is not easily categorized.