And not all smokers die at age 50. I'm talking the overwhelming majority. Children are brainwashed from an early age to adopt the religion their parents want them to have. Most of the time, the brainwashing takes. Sometimes it doesn't, but that is not for lack of effort.
Christian parents of the present, have a bunch of competition in the brain washing department, considering that public schools have more time than the working parents have with their own children and considering the schools are committed to turning every child they can, into politically correct liberal zombies.