I personally knew several members of the Watch Tower's Bethel family at their headquarters in New York who knew the organization was wrong, but could not leave due to fear that they were incapable of getting a job, or that their lives would disintegrate. Many of these phobias are rather obvious to outsiders. Simple, harmless things are blown out of proportion in order to keep Witnesses secluded from the real world. Christmas is evil because thousands of years ago someone worshipped the sun on December 25th. Saluting the flag is worshipping your country and a sign that you belong to Satan's kingdom rather than God's Kingdom.
Smoking cigarettes is a form of drug abuse that can lead to demonic control.