I still don't understand why the average is used instead of median (or average of data between the first and third quartile), when people talk about life expectancy. It leads to misconceptions.
(B) Most people know almost nothing about statistics. Even those who use it on a every day base. Honestly, I'm afraid, I'm not really an exception.
I think if you have to guess between human evilness and stupidity the latter is more likely, right?
The same could be said of English.
I do claim to be at least moderately familiar with the language, and have no idea why you're quoting that line.