Economists are loud and have ties to the government but you make a good point. Economics isn't really a science in my opinion and hasn't told me anything useful other than to reinterpret activities into a language economists understand for political purposes.
Mechanism design is very different from economics even though an economist probably knows about this.
I'm underwhelmed by what I've observed of the accuracy of economists.
The robustness of a discipline is directly proportional to it's ability to predict .
How's that working out for economics?
Track record is way better than 50%, if the rule you use is - do the opposite of what the Fed Chair suggests
good point.