There is no way to a post-scarcity economy, the phrase is a contradiction, and scarcity is an inescapable consequence of human desire.
But that’s unavoidable really because it’s based on perception - There will always be a top 10% of something and a bottom 90%.
There is scarcity of information and media of the kind people find valuable. If there is a sense in which the broader statement is true, it is irrelevant for that reason.
There is no way to a post-scarcity economy, the phrase is a contradiction, and scarcity is an inescapable consequence of human desire.