My aunt was terrified of my snake. And I showed her a picture of him, and talked to her about how sweet he was, and she kind of loosened up and said that she wanted to try to not be scared of it.
It boils down to a matter of ignorance, I think. People just having closed minds. Sometimes I do think that people have extreme justifiable phobias, but I think that's pretty uncommon amongst all of the people who are just chicken.
"Space. It seems to go on and on forever. But then you get to the end and a gorilla starts throwing barrels at you."