Ignore the power issues and think about the security issues. Would you give some random plug in the wall hardware access to your smartphone along the same cable

Ignore the power issues and think about the security issues. Would you give some random plug in the wall hardware access to your smartphone along the same cable that data goes? (See http://www.nytimes.com/2012/02/11/technology/electronic-security-a-worry-in-an-age-of-digital-espionage.html?_r=2&pagewanted=all http://www.nytimes.com/2012/02/11/technology/electronic-secu...)