The answer, we're afraid, isn't that easily expressed. In this case, however, it would be perfectly true. It can be done, we know that for sure. We've done it before, we can do it again. A lot of people are scared of it, we know that, too.
People are scared of anything that casts a shadow.
But most of all, we know that people can be put off by anything that has a few myths associated with it. Like webcasting, for example.