America the Unique
There are so many things about 21st Century America that make it unique among Earth’s nations: our ignorance and rejection of science, our thirst to move race relations back 50 years, our disregard for the welfare of our fellow citizens, and our disengagement with the rest of the world when it comes to environmental responsibility, to name just a few.
As suggested in the photo here, it’s possible that there is a common thread beneath that, i.e., the sheer aggression with which we’ve destroyed our educational system, requiring warning signs like this one.