because that's what you people do.
Which people? Europeans? People from the 17th Century? People who disagree with you? Over and over you have jumped to conclusions based on knowing nothing significant about me. All you know is I disagree with you on 1 specific subject. In fact, I'm not sure you even know what it is you disagree with. You just assume things based on, what? Race? You have assumed that you can legitimately assume things about 'Europeans', while assuming that 'Europeans' must think about the Americans the way you do about Europeans. Straight forward projection of your own biases.
All the super-rich crooks were actually still living it up in England, their own property safely protected from democracy through the House of Lords.
Basic order of events: The constitution was written after the revolutionary war. Those crooks had lost their stake in the US by the time the constitution came along. There was no upper-class, not by previous standards. 'Upper class' started to become what we think of it now: i.e. straight up wealth.