Money is the reason. Television is a battleground for ratings. The news programs want to do what ever necessary to attract the most viewers. The entire television system is a business. All business are there to make money.
Good ratings equals more valuable ad time equals more money.
Postman states that when new things, such as technology is introduced into a culture, that culture reacts. He refers here to the influence that the media has on our future. This website is an all around great site for James Thurber fans. This website contains useful information about James Thurber. This site includes a profile, photos, other writings, and relative links of the cartoonist and author, James Thurber.