I'm of the mindset that it was created by the same spooks that were behind the Laurel Canyon music acts, Charlie Manson, fomenting the 60s free love movement, & providing the LSD/heroine to blow a generation of minds.
Their work is paying untold dividends to this day.
Check out the book:
Chaos: Charles Manson, the CIA, and the Secret History of the Sixties
https://annas-archive.li/md5/08223eca50394516e23e564605fef3f6