But the conclusions drawn about you based on your available personal information may influence how they see your ability to do your job. Hypothetically, they may look at your expensive house from the real estate records and determine that the reason you do certain things certain ways is that you are wealthy. They may find you in your church activities and determine based on their outside information about your religion that you think a certain way and that may impact any interaction between you and the parent. They may be completely wrong in their assumption or assertions, but is that any different than FB stalking and looking at information out of context and determining that is why a student is struggling and making assumptions about the parent based on on-line profiles. We already saw the negative attitudes because someone was a stripper (which last I knew was a legal occupation in many, if not all, states).