The simple answer is: Because humans are subjective!
Natural law defines the characteristics that are inherent and specific to a particular entity. Humans are subjective with each one possessing a unique array of personality traits and life experiences and perceptions and judgments.
The ‘one size fits all’ coercion of socialism is unnatural and antithetical to the human reality.
Check out my new website: http://bruce-koerber.squarespace.com