Formal certification and licensing normally implies two things. You have the knowledge to do the job, and you are professional enough to be trusted. Read up on Professional Engineers.
If you have an association that certifies system administrators, computer repair people and other computer administrators, I would think your primary focus would be on ethical and professional conduct. Joe Blow knows how to fix/administer your computers, and he will keep your secrets and systematically act in your interests. He can be trusted with access to your network, your computers and to your hard drives. The idiot in the article above, is not certifiable.