It seems to me that the TV "programs" people to adopt the values that it embraces. As a result people dress like the TV, eat what the TV tells them is good, and end up living the lifestyle that the TV says is "cool" (which happens to be contrary to Biblical living). Therefore is the TV evil...
hatha yoga teaches the way to release serpent power (Kundalini) through the spinal cord.
Should Christians (or anyone not wanting to go straight to hell) try to garner this serpent (demonic) power?