Afraid they'd be pilloried? Maybe there are many more who adore him deeply and sincerely and foreverly but they are terrified of being found out?
It may be that almost all of us have been zombified. How would we know? When a zombie looks in the mirror what kind of reflection is there there? Vampires have no reflection allegedly. What about zombies? What do zombies eat? I know. Fast food. Junk food. Right?