But most people that insist on starting their preschooler reading are also working on math, doing science experiments, and finding all kinds of ways to jumpstart academics. Most parents would be horrified to realize that they may be unintentionally quashing their child's creative abilities by constantly employing them in directed activities. They teach them to color in the lines rather than give them art supplies to use as they decide. Rather than letting them discover ants on their own, they take them outside for a complete lecture on ants. They tie up all their time in planned activities and events never allowing children the freedom to discover on their own.
Creativity needs room to experiment.
They will turn to their authority, the parent, to tell them what they should do. Later in life they will turn to other authorities. Admittedly the over-achieving parent I've described is not the norm. But most of us would recognize those traits in ourselves to one degree or another. If you're naturally given to a relaxed mode of life, don't pat yourself on the back too hard.