In addition to the pop culture issue here, I think the other side of the issue is bike-shedding. In general I don't think people are all that knowledgeable in a

In addition to the pop culture issue here, I think the other side of the issue is bike-shedding. In general I don't think people are all that knowledgeable in a very broad sense, so whenever they're approached by a topic they know one thing about, they'll talk about it as if it were the most important aspect; bike shedding.