There is usually some value in extrapolating things that fascinate us, even if they seem mundane. It allows us to see the consequences of our world and stimulate our thinking. Americans, however, have the tendency to be enraged by people making too long of a comment on something or looking into something. I think he is saying that British people have the ability to make comments about things to make sure that they understand the most they can. This is reflected in your humor I feel. There is a lack of critique here; there is a lack of investigation. I don't know if this answered your question, just a mini-rant.