To many old-time devotees of the gospel, TV itself was a suspicious export from the secular world, best kept outside the home. As far as they were concerned, the revelation would not be televised.
The rest of the article is excellent, too.
Thinking about Falwell, tv, and politics reminds me to reread that old Heinlein novella, "If This Goes On-" (1963). And the presence of iconoclasm in the Protestant Reformation.