You don't put up photos of yourself in a swimsuit at work and would sue any workplace that demanded that you show them those pictures.
You shouldn't bring your political beliefs into work, and would be uncomfortable if your boss cornered you and demanded to know how you felt about the president or some tax policy.
But, this is content that is often on your Facebook page. By moving employeer/applicant relationships onto Facebook, it's associating applicants personal lives into the sphere of employer consideration.
It's wrong and I hope that nobody takes this seriously.