Drug has a high potential for abuse. Nicotine has no medical use and its long-term use often is fatal. Hundreds of thousands of Americans die each year of tobacco-related diseases. LSD will show you how things really are. That's why it is illegal.
Childhood schizophrenia is still a difficult problem to treat and causes much suffering.
It is a terrible shame that research done 35 years ago is still the last word on the use of psychedelics to treat these conditions.