This. Reverence for celebrity also engenders a weird trust in celebrity viewpoints even when they are wildly misguided and completely divorced from a particula

This. Reverence for celebrity also engenders a weird trust in celebrity viewpoints even when they are wildly misguided and completely divorced from a particular celebrity's training/knowledge/experience. Not to say a tennis player and former MTV host started the anti-vax movement, but celebrities can fan the flames of ignorance pretty easily because of how much people pay attention to and trust them.