My parents came from Russia and suddenly they wound up in Boston Massachusetts Brookline Massachusetts and they felt the sun rose and set on Franklin Delano Roosevelt's backside because he meant so much to them. This was freedom. This was something totally different from the Russia they had left.
The thing about youthful offenders is that no one seems to care about them. Most people don't like adolescents - even the good ones can be snarky and unpleasant. Combine the antipathy we feel toward the average teenager with the fear inspired by youth violence and you have a population that no one wants to deal with.