Learned prejudices are a normal way for humans to deal with their environment. When we select an apple we avoid the spotted one, even though it may be the more delicious, based on a prejudice about irregular fruit. We constantly profile people, objects and situations. Our brains file and sort automatically based on past experience. Prejudging is like using the alphabet; it eliminates the need to make up new letters every time you want to spell a word. The real trick is to eliminate the irrational and use the ones that serve you well.
Great thread, Jerry. You are a thoughtful man.