It seems Plato's Allegory of the Cave is a fitting description of those who sit in a cave and don't see the real world marching by. They continue to accept the shadows and don't take the time, or have the courage to turn around.
In the 21st Century those who believe everything they listen to, watch or read which supports their beliefs, rarely seek alternative sources of information. When they do or when confronted with alternative positions to many react emotionally.
Let's all open our eyes, ears and brain to reality.