The few people with the wealth to be able to live this lifestyle are the ones who left enough records to read about. The commoners definitely existed, they just didn't leave records, or the ones they did leave weren't preserved, or the ones that were, common folk don't study or read about. That's all.
In another 1,000 years, think about who around you right now might have the chance to be remembered. Someone like Bezos or Musk? Those reading about our life in the year 3,022 might believe everyone in our time was a wealthy CEO funding rocketship companies if they go by the names that have stood through time.