In the RealWorld, people like to think they're dealing with professional people, products and things.
So, various things are done to give TheAppearanceOfProfessionalism, in order to make people happy.
Sometimes people wear suits, sometimes they get certified with ISO9001, and sometimes they practice answering the phone.
They're all aspects of doing things to give the appearance of professionalism.
Of course, most of these things are more style than substance, but that's the point.
Dalhing, you look maahvelous!