As interested as The Brownies are in experiences of every kind, their over-riding concern lies in not being seen. Anyone who has watched a little bit of Monty Python knows the value in Not Being Seen. When dawn breaks, The Brownies switch into full retreat mode -- and not even Palmer Cox ever dared to show them in their natural homes.
Doctor Who is a proponent of the same philosophy. Sometimes, the best and only thing to do is simply to "RUN!!!!!"