How could the analysts, forecasters and odds makers get it so wrong?

Back in the 1960s and 1970s, a commercial for women’s hair coloring asked the question: “Does she or doesn’t she?” Today we ask a similar question about Great Britain and the European Union. 

The stereotypical car ride story with kids always circles around the hyper peanuts in the back seat saying something like, “When are we going to get there?”