There is something horribly wrong with an education system which leds people to think this, its the equivalent of 50% of americans coming out of maths thinking 2+2=5.
Not really. Failing to understand evolution is far less likely to inconvenience you personally or professionally. From a purely utilitarian perspective understanding evolution is of little significance outside of a few professions.
But the point is, it's a scientific fact and the fact that a majority of Americans don't believe it is troubling.
"Fact" is a bit strong.
It is not. Evolution is an observable fact.
Exactly. There was an experiment that lasted decades with hundreds of thousands of generations of bacteria in which macroevolution was observed. Creationists have no choice but to pretend it didn't happen.