The word “entitlement” is ambiguous. For working people it means "earned benefits." For the rich, the concept of entitlement is compatible with the Merriam-Webster definition: "The feeling or belief that you deserve to be given something (such as special privileges)." Recent studies agree, concluding that higher social class is associated with increased entitlement and narcissism.
The sense of entitlement among the very rich is understandable, for it helps them to justify the massive redistribution of wealth that has occurred over the past 65 years, especially in the past 30 years. National investment in infrastructure, technology, and security has made America a rich country. The financial industry has used our publicly-developed communications technology to generate trillions of dollars in new earnings, while national security protects their interests. The major beneficiaries have convinced themselves they did it on their own. They believe they're entitled to it all.