This is the message that I believe Huxley is trying to convey through Brave New World by the exaggeration of these advancements.
The society in Brave New World is heavily influenced by theories such as social darwinism and eugenics, and possesses the technological prowess to implement the latter into society in an attempt to filter out undesirable traits in a much more effective way than unconventional methods like genocide for example. This is all for the greater goal of creating a subjectively pure civilization; a more logical community not constrained by backwards concepts such as religion and morals. It's