In the early 1960s, Chan Thomas wrote a book titled The Adam and Eve Story and attempted to have it published by Emerson House in Los Angeles. Soon after publishing the full issue, the CIA classified his book for 50 years. An FOIA lawsuit was filed against the CIA to release the book. In 2013, the CIA released a "cleansed" version of the original book (50 pages out of 240 original pages).
Why was this book classified?
https://www.cia.gov/readingroom/docs/CIA-RDP79B00752A000300070001-8.pdf
Correct.
And furthermore, there is much evidence of archaeologists being black balled or having their careers effectively "cancelled" due to this sort of discovery.
If it goes against the mainstream narrative, you are canned and the information is dismissed, termed as anomalous, or shoved into their pre-existing narrative regardless of cognitive dissonance.
Things are changing slowly, but this is reality. The powers that be, as often referred, have their hands dipped into everything. Most facets of reality we experience are under this lock and chain, but most people don't realize how far things really stretch.
Yes, it is a self-serving industry that exists to keep disruption out.
When I was in graduate school, I saw some of the brightest and most talented get sidelined by those who were more "productive." While true scientists get excited about innovation, there's no money in the innovations, themselves.
My departure from graduate school came with the knowledge that money runs everything.