Great satirical article in the Onion (which I love). A quote:
Frustrated by continued demands from viewers for more awesome and extreme programming, Science Channel president Clark Bunting told reporters Tuesday that his cable network was "completely incapable" of watering down science any further than it already had.
Read it here.
TV, like public education, consistently caters to the lowest common denominator. Even worse, many of the science and nature channels now air shows about bigfoot, UFOs, Mayan "prophesies", ghost hunting, etc.