AI reduces the need for humans, AI then makes products for people to buy. Those people now don't have jobs to consume the products made by AI.
It's almost like we need a new economic system which guarantees a nice lifestyle even if you just don't want to work. And then if you want nicer things, like a bigger house you can be one of the lucky ones who can still find a job.
It's not to far off to say within 20 years driving/transportation will be completely automated. We'll have mail robots drop off packages. Robots building houses, etc.
I don't see a utopian no work future though. More like a dystopian high income disparity future