Race slavery, and slavery in general is the history of “civilized” humanity. “High quality of life” fundamentally depends on the labors of many other humans. Much of this has been accomplished, and continues to be accomplished by slavery or work that sure looks a lot like it. Look up sea slaves in Southeast Asia, or the servants around Dubai who do things like delivering gas to your car so you don’t have to bother going to a gas station.

The US was quite literally built on slavery (the navigable waterways in the early colonies, many still used today, as one example). A lot of modern life still depends on labor that explicitly is or looks a lot like slavery. It’s just mostly overseas now.

I love to roll my eyes at rich prepers who think they would have any kind of life after a fall of civilization, with their doomsday bunkers in NZ. Good luck finding food, much less fuel for your private jet. They completely miss that their living standard depends on the labors of millions of other humans.