John Fiske is Professor Emeritus in the Department of Communication Arts at the University of Wisconsin-Madison, USA.
Comedy writer. Author. Little Miss Belpre Ohio 1984.
@elonmusk John Fiske explains why in his book Introduction to Communication Studies 3rd ed. The answer is a combination of: redundant acts and language are necessary to root our shared communication as a baseline for more entropic/low redundancy messages; and, ritual has value.
"Shows a welcome ability to provide lucid and balanced summaries of a complex and diverse field."British Book News