How many employers at universities have any idea about what their employees are doing beyond 'something with computers' or 'something with microbes' ? (exaggera

How many employers at universities have any idea about what their employees are doing beyond 'something with computers' or 'something with microbes' ? (exaggeration - but not a whole lot, in academia by definition most people are not in a position to understand what others are doing because what they are doing is supposed to be cutting edge)