No test measures intelligence. A test only measures you relative to the persons that wrote the test. – loosely quoting Asimov.
2007 is ancient history now. It is an interesting graph that one might correlate with a lack of meritocratic structure in society, but I’m on the low end cause I say this without looking up and reading the study. Pretty pictures evoke emotional blabbering bias and all that.
Just imagining a world where there’s no antidemocratic inheritance and all income is between 20-230k per year
imagining a world where income is measured in handmade gifts of gratitude per year
a doctor brags about saving the lives of 5 people this year and getting a bouquet of flowers from each, then does the sad squidward face as a preschool worker pours 30 friendship bracelets from their bag, saying “this is what the kids forced onto me TODAY”