Dangerous Goods, you still don't understand a post worded as to be comprehensible by someone with a secondary school education. What don't you understand about this - a control was not needed! You are confused about things.
A prospective randomised controlled trial is the gold standard for assessin an intervention. Do you see your error now? I shouldn't have to educate you but I will try. Not all therapies can be assessed by PRCT BTW. Ideally the trial should be double blind but again this is not possible for all interventions.