Read the article. The article you've posted conflates jailbreaking with unlocking. As the OP pointed out: Jailbreaking: getting root on the phone Unlocking: c

Read the article. The article you've posted conflates jailbreaking with unlocking. As the OP pointed out: Jailbreaking: getting root on the phone Unlocking: configuring the phone so it can be used on any cell network Jailbreaking is still legal.