Unlike seeing, where one can look away, one cannot 'hear away' but must listen. . . hearing implies already belonging together in such a manner that one is claimed by what is being said.
The financial crisis of 2008 was not caused by investment banks betting against the housing market in 2007. It was caused by the fact that too few investors - including all of the big investment banks - bet too heavily on the housing market in the years before 2007.