Like Roger, coming from a prominent family, he naturally received excellent upbringing, with specialized training in all manners of etiquette, and he was not lacking in emotional intelligence. Yet these were merely superficial qualities, the education they received from childhood, the environment they were in, and the experiences they had ingrained in them a subconscious belief: they were different from most people.
This attitude of superiority was not evident when dealing with people of their own class, but when interacting with others, it unconsciously manifested—and ironically, they often thought of themselves as very friendly and approachable. Most tragically, this mindset was mutual; many people actually catered to them.
For example, a high-status individual might help them with a minor favor, generating enormous gratitude, but if the same help came from an ordinary person beside them, it would seem trivial.