The reason for offering a retirement to government workers is to attract those who have more skills than those who flip burgers. Not saying people who flip burgers don't work hard...they do!
But the goal is to say, "if you are qualified, we'd like you to do this job that includes managing the taxpayers money and property." Sure, we know some who work in public jobs mess things up. And we hear that many corporations are screwing people over. Nearly every week some corporation is being investigated for criminal activities.