Principles are ways of successfully dealing with reality to get what you want out of life.
Ray Dalio, one of the world’s most successful investors and entrepreneurs, cites principles as his key to success.
Loyalty to specific people who are not in tight sync with the mission and how to achieve it will create factionalism and undermine the well-being of the community. It is often the case, and quite beautiful, that personal loyalties exist. However, it is also often the case, and quite ugly, when personal loyalties come into conflict with the organization's interests.