Juveniles , should they receive criminal sentences with life time consequences?

A case was heard in which two 14 year old boys were sentenced as sex offenders with the life time consequences attendant thereto. Please, before you reply take a look at and read the post here:
http://sentencing.typepad.com/sentencing_law_and_policy/2011/07/nj-appeals-court-upholds-lifetime-sex-offender-registration-based-on-buttocks-horseplay-by-14-year-o.html

Hopefully I did it right , this time:)
I look forward to responses to the issues raised by the question and in the posted article.