Rather than economics itself being a tool of propaganda (which might be true but I think most economists would say they strive to be evidence-based), I think it

Rather than economics itself being a tool of propaganda (which might be true but I think most economists would say they strive to be evidence-based), I think it demonstrates that the average voter’s views on economics are more or less worthless. Your second point is not an alternative to the first, rather it is implied by the first.