It is important be intellectually stimulated and fiction is one of the worst ways to achieve that. Read a technical book or listen to philosophers debate or brush up on complex historically significant events.
At the end of the day art is for entertainment. Whether or not you need the intellectually stimulating element in your art is subjective and unimportant.
At the end of the day art is for entertainment. Whether or not you need the intellectually stimulating element in your art is subjective and unimportant.