Generalizations

People tend to think about other people in groups. But groups are nearly never completely homogeneous. Thus every possible statement you can make about "bankers", or "soccer fans", or "hardcore gamers" is most certainly wrong for at least part of that population. Much of this is due to a rather necessary brevity of speech: If you want to occupy Wall Street and protest against banker's salaries and/or behavior, your sign can't possibly be big enough to list all the possible exceptions to the term

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