Method
What is the basis for his measuments?
Validation
Muscle testing as a method is not scientifically validated.
Cultural bias
There is a significant Cultural Bias;Dr Hawkins evaluations reflect a Western-centric worldview, particularly favoring American values as a benchmark for consciousness and spirituality. This bias results in higher ratings for Western countries and lower ratings for regions like the Middle East, despite the fact that, as you pointed out, general public knowledge or cultural depth in some Middle Eastern or European regions can surpass that of the United States.
Oversimplification of Complex Factors
The level of consciousness of a society cannot be determined by a single variable or method (such as muscle testing). It is influenced by a multitude of factors, including education, philosophy, history, culture, science.