Lots of things are complex and confront people to deal with it directly, we just also have legions of people that we can pay to step in for us and a culture where laziness and convenience are core principles to our everyday lives. Not to mention a political establishment that touts the "virtues" of a simple, ignorant life.
Maintaining a house or yard, for example, or taxes. Driving also has a pretty high learning curve -- high enough to mandate driving lessons -- but once we learn it we're set for life. (Tech is the same way here....)