My dad works in the airplane industry and had an interesting story to tell me that relates to this. (I'm not sure exactly how accurate it is or what the source is, sorry). Apparently, it is illegal for pilots to read while flying. Even if they are heading in a straight line with no one around for miles. This is because one time an pilot wasn't paying attention and due to a series of software failures, the plane turne…
There's a great section in Neal Stephenson's Anathem where the science-y younger brother is speaking to his older sister, who's mechanically talented but not very techy. He says there's always a better way to build something, that you can always take the inefficiency out of whatever system you're working with. But she doesn't want that, because she wouldn't be able to fix it herself. That's how most people see technology, and to be honest, we see it similarly, because we can fix it, so it's not a threat. In 30 years, will we be able to fix the things that are running to world, and will we be as inclined to trust them as we do now?
I'm not saying it's logical, or appropriate, but it's a natural response to the situation. I think it's important to work with it rather than dismiss it.