What is bokeh? bokeh: Originally /ˈboʊkɛ/, /ˈboʊkeɪ/ BOH-kay — also pronounced as /ˈboʊkə/ BOH-kə, Japanese: [boke] is the aesthetic quality of the blur produced in the out-of-focus parts of an image.
You don't always have to have a specific reason to do something. Take for example the sharing of camera porn. The appreciation of the beauty of these mechanical works of art is reason enough...