This paper is intended as a sarcastic critique of the push towards conducting randomized trials in academia/medicine, but it’s an obvious straw man. You could write this sarcastic article for any research method - “see, why do research using method X when we already know the answer from other methods?”
The problem is that there are plenty of research questions where RCTs show us that previous non-RCTs were wrong.
The problem is that there are plenty of research questions where RCTs show us that previous non-RCTs were wrong.