Drillings down in the hidden bottom of the sea. Long watch periods far from gentle coasts, cozy homes, children, pets and lovable women. Rigs often hit by dangerous strong winds - threatened by the rough sea and even alcoholic mates on big vessels. For men seeking excitements, challenges and good wages. 103a Laws of Nature Accept it or not.
Facts demands objectivity - at times.
Stratifications by skills, family relations and geographical area. By religion and racial biology and genetic heritage. By sex and strength. Even people who think they are very democratic oriented and having the most 'correct trend style' outwardly have such attitudes. In fit for life and the law of the jungle.