A lot of the "sneering" I see from everyone who isn't an investor or an executive is a consequence of resistance to outreach. It's very difficult to discuss subjects with people when many now interpret factual explanations as propaganda and reassurance as manipulation.
By the way, plenty of people feared electricity a great deal (and it wasn't exactly implemented safely when it was new). In the 90s, many people also thought the Internet was a temporary fad, a mere novelty that would fade in some years.