I used to be surprised at how little people know, especially about current events and important political subjects. I’ve gotten over it. I’ve moved on to the psychology of changing minds.
I’m not the only one concerned about ignorant people messing up the world in their effort to make things better. In a 2014 presentation by TED (About) we learn about global ignorance and what can be done about it.
Take the time to watch “How not to be ignorant about the world.”