“Baby Boomers vs Elite baby Boomers are different because...you fill in the blank.”
FROM THE ARTICLE (which it might help you to read and possibly comprehend):
“The elite of this generation, graduates of the finest schools, cosmopolitan in taste and sensibility, and left-liberal in political and cultural allegiance — have always been counted the smartest people in the room (just ask them).
“Now these new Masters of the Universe have made a shambles of the US and world financial system ...”
It hardly describes “Joe Six-Pack,” also an icon of the Baby Boomer generation.
A long way around just to write about liberals, who are about the same, no matter what generation. You’ve been dazzled by the author’s not so adroit use of the lexicon.