Just look at authocratic countries. That top 1% still need something like 3-4% to work for beaurocracy and 3-5% for armed and police forces. And there are always family connections and relatives of relatives who want better living. So fortunatelly no AI will ever replace corruption and other human society flaws.

But yeah remaining 80-90% of population will have quality of life and bullshit jobs because it's how the world is right now outside of western countries bubble.