... and they have been with us since before the U. S. Constitution was signed. They had a defining influence on that document, leading to a significant disconnect between it and the principles found in the Declaration of Independence.
It was these individuals who invited the King of Prussia to reign over the new United States and it was they who opposed the Bill of Rights. Bear in mind that no small number of the wealthy who came to American shores did so to establish themselves as the new plutocratic aristocracy. Often, they had in their pockets grants of land and privileges from the crown.
It is simply a symptom of the times that they are coming out of the closet now, though their influence has always been with us. Take for instance, Leo Strauss' embrace of the Platonic "noble lie", which was a touchstone for legitimizing nobility's grip on power long before there was a United States of America.
Adding features does not necessarily increase functionality -- it just makes the manuals thicker.