Unfortunately one of the differences is that while you can kill yourself abusing one, you can turn yourself into a superbug incubator and kill a whole bunch of people with the other.
The statement was that a physician would be perfectly happy to deny the Class II narcotic, but perfectly willing to prescribe the other even if not needed.
Generally speaking, this physician does not exist if we’re addressing a pediatrician.
The twisted logic used to make this comparison, is flawed.