Aren’t there actually better and worse types to be?
Life is a complicated business, and each of the preferences is particularly suited to certain areas and tasks. People tend to gravitate toward work that allows them to use their preferences, and we often arrange our lives to give our preferences more scope while avoiding having to use our non-preferences. However, life still demands that we deal with aspects that require our non-preferences. Most of us have to use all 8 of those letters every day! Although each type has its strengths and its blind spots, all 16 are perfectly good ways to get through life.