It was Gadamer who, in his book Truth and method stated that the basic trait of human understanding is anticipation. I have found sometimes that people tend to anticipate opinions on things they don't really know about. This is particularly painful when we anticipate opinions about people. We always judge people based on the collective types circulating in our social consciousness. Aristotle founded his Ethics on this basis. But it is self limiting to project these arche-types before knowing a person. Some people call to this intuition. But I perfer to call it wrong-intuition. My advice is: go and know the person.