Heat pads made for reptiles is THE BEST thing to use.
The stories you read were from owners who were uneducated about proper care. Thermostats are required for any heating unit. The light could be a reason hes stressed, not enough heat, not enough humidity and so on.
Ditch the light its not for snakes, go to flexwatt or ultratherm for heating, thermostat and get rest of cage spot on.