Maybe it’s more than just a sedative?
Many drugs have multiple, unsuspected uses. MDA and MDMA (”rave drugs”) are used by the Army to treat PTSD in returning soldiers. THC is used to fight nausea in cancer patients. Even aspirin helps prevent heart attacks.
Not really smart to just dismiss this out-of-hand, depression is serious and widespread, and not a lot that has been tried so far has worked.
People with severe bipolar don’t often live til 50. Who cares if they get high as a side effect of a successful treatment? Let’s save these people.