Thank you for showcasing "Tron". Without "Tron", we would not have "Toy Story" or "Shrek" or "Frozen". Without "Tron", we never would have given PCs the ability to generate 3D graphics in real.time.
It's because parents are too afraid of their kids getting hurt. Pain has educational value. Pain makes you aware of your mortality and your limits. The more pain you feel when you're young, the less pain you'll cause when you get behind the wheel of a car.