Earlier quoted context omitted.
Of ritual settings, some are allowed already. Perhaps also should be allowed in a medical and research setting which would mean schedule 2 or 3. However, abuse potential or evidence of harm should be first demonstrated before scheduling a substance this high.
So, there is no abuse problem with current Schedule 2 and 3 substances?
It used to be even recently that you could get strong opiates for cold and amfetamines for cough, weight loss and lethargy for instance. Or that barbiturates were prescribed for many issues related to insomnia.