Exactly. Even if wealth is shared, and all humans technically receive everything they need to live life, that does not mean the world is avoiding assorted moral hazards, such as "human zoo" condition. Nor that the human condition on the whole is optimal.
Also relevant, this short story is a favorite of HN: https://marshallbrain.com/manna1.htm
On the other hand 'trickle down economics' has been pretty categorically debunked by reality; it can't not be about money entirely either.
So it isn't all about money, but if the monetary gains of increased productivity are captured by a shrinking fraction of the population, nothing good happens in the long run.