Orwell definitely distanced himself from the Fabian Society. I don’t know about Huxley, but I read his book as a dystopic vision.
One detail in Brave New World is the focus the rulers had on sexualizing the children who were encouraged to ”play sexual games together” from a young age.
”We have no secrets” and you don’t belong to yourself, and everybody belongs to you…
What could be MORE effective to disarm a population than to install into them that privacy is forbidden and unnatural; to attack the MOST private in a human life, his/hers sexuality would be the way to do that.
So it is quite prophetic and intelligent to write about this a century ago, while witnessing the grooming of children by the Marxists operatives