maybe these books were reveals.
the oligarchs had many members in their tribes and some of them decided to do 'reveals'
the caste system already existed in 1932.
it's clear where it's hive-mind was, and who it were.
it's also clear that they had a 'go to the top without doing anything' priority for their little darlings, the ones who they didn't sacrifice or consume (a hunger games).
so these books were merely telling what these authors imagined the system to actually be at the time, but forwarded in time a few generations.
the cabal can not errase all of the informatin that tells asute watchers about how they operated. You can see it over and over again in old television, and in old movies.You can read the litany of names in old press releases.
they boasted of their own supremacy. They promoted their 'handsome sons' as captains of industry.
their industrial spies were rocketed to the top of the technological burn-pile.
their names filled the bylines of newspapers.
it's obvious to anyone who has their eyes on after reading very many biographies and watching old television, movies, and reading old crap-pulp books.