It's currently a minority position, but there is an argument to be made that constructive use of psychedelics by children with their parents can be beneficial,

It's currently a minority position, but there is an argument to be made that constructive use of psychedelics by children with their parents can be beneficial, for various reasons (such as forging a stronger bond between parent and child, and fostering empathy by using empathogens like MDMA, to revealing the world of the sacred to the child through a mystical experience, and so on). Search around the web for "psychedelic parenting" to find advocates of this approach. I expect that as the so-called Psychedelic Renaissance blossoms, and psychedelics become more widely accepted in mainstream society, this minority position will become less of a minority position. It is not unimaginable that some day there may once again be society-wide initiation ceremonies and rites of passage for children involving psychedelics used as sacraments, maybe not unlike what Aldous Huxley envisioned in his book Island, and what traditional societies have done in ages past and some continue to do even now.