Television and increasingly digestible media is turning our brains to mush. If someone had the imagination to write a sci-fi novel about Fox news and the rise of Trump, they would have.
Genetic engineering is enabling us to harvest monocultures that completely fuck up the ecosystem, in the long run not only underlining important dynamics such as species needed for polluting plants, but also the very soil on which they grow.
It's been a while since I read Brave New World, but that also didn't stand out to me as the most central part of his critique to me. In my reading it was about how modern society was going to turn us into essentially pacified consumer slaves going from one artificial hormonal kick to the other, which seems to be what social media is for these days.
Things that seem like short term good ideas, and certainly great business ideas, might fuck things up big time in the long run. That's why it's useful to have some people doing the one things humans are good at - thinking creatively - involved in processes of change, and not just leave it to the short term interests of capital.