The only issue here is the incorrectly understood idea of brain plasticity. Indeed, it means this is the stage where the brain can and should take 'insults' or temporary changes in order to be robust and capable of functioning in high levels of chaos when one is older. This trauma to the body and mind was one of the things maturation ceremonies used to purposely create when we lived in tribal nomadic groupings, usually just with boys.Women had child-birth for that sort of thing fairly younger than what we know now. 
It might be put out by the pharmaceutical interests who know that it is best to impart brand-loyalty to people under 25 years old to imprint for life to ensure future sales. I have both training in the hard biological sciences, worked in and around university student associations, media and events then worked in advertising and marketing, publishing across Canada in all three major cities.