If it only applies to 1 in a million, it is not even demonstrably useful information about the upper class itself.
From a matter of plain definitions, Bill Gates started in the upper class from the moment of his birth. His circumstance did not require him to work a single day, in order to live comfortably for his entire life; ergo, he is upper class.
It may be true he rose from "upper class" to "very upper class" based on 99.9% his own achievement, but it is a non-argument regarding the ossification of the aristocracy in general. Guessing about the other 99% of the aristocracy based on the particulars of the most extreme 1% of the aristocracy is not logical.
From a matter of plain definitions, Bill Gates started in the upper class from the moment of his birth. His circumstance did not require him to work a single day, in order to live comfortably for his entire life; ergo, he is upper class.
It may be true he rose from "upper class" to "very upper class" based on 99.9% his own achievement, but it is a non-argument regarding the ossification of the aristocracy in general. Guessing about the other 99% of the aristocracy based on the particulars of the most extreme 1% of the aristocracy is not logical.