I have been doing some research that is related to this type of subject for a school paper. It is now well accepted medically that the part of the brain that controls judgment does not fully develop until the early twenties. It is also well known that most people stop committing crimes as they pass through their twenties and into their thirties.
From this, I have developed a theory I am working on that some juvenile delinquency is not caused by a desire to commit crime, especially not to injure people. There is a certain element of thrill seeking in committing what the juvenile sees as a victimless crime. This is not to say the crime itself is victimless, but it may be seen that way by the juvenile, like shoplifting.
Based on the theory that the brain is under developed in regards to judgement until the early 20s then that suggests that juveniles that murder their parents, other children or adults are in some ways impaired as well. You cannot use impairment with one type of crime and not another. They both require judgement. So are you saying leniency should be granted in these cases as well?
Some folks are "goody two shoes" and never do anything wrong
This implies a negative connetation to doing the right thing. Everyone makes mistakes but not every mistake breaks the law. It's about gains. Before engaging in an unlawful action, law abiding citizens determine that the potential consequences of engaging in said action has a greater significance on themselves or someone else more so than the momentary feeling of accomplishment violating the law. The need for acceptance is not necessary. For those that break the law, the need for acceptance is greater.