If they were such experts they would be filthy rich.
Now there are exceptions like Sowell and Williams, but they are both intellectually smart as well as reality smart.
Remember Karl Marx was considered an economist too, and we know how well that has worked out. The term is a title only.
I do like his referring to the fee as "peanuts" it shows a certain level of ignorance of economic reality and business acumen. In the many years I owned my own company I was peanutted to death, and it wasn't any more pleasant or appreciated when we were making good money than the first couple of years when I struggled to break even.
Ivory towers keep economists like curiositiy and Marx aloof from compassion and reality, it seems!