Though it has been on national cable TV since mid-July, ratings have not been spectacular for the G4 channel’s show, “Hurl!” leaving many Americans unaware of precisely how far standards of taste have fallen. “Hurl!” contestants are forced to gorge themselves, then are purposely, rapidly, twirled and shaken on carnival-type rides, with the last player to retain his stomach contents declared the winner. Wrote a Washington Post reviewer, it’s “for people who found ‘Fear Factor’ much too nuanced.”