Interesting theory, but "post scarcity" assumes free/cheap raw materials and energy and we don't seem close to that, while energy is cheaper than it was (and could be even cheaper).Kingston said:get used to it: https://en.wikipedia.org/wiki/Post-scarcity_economy
And read some Iain M. Banks for a glimpse of possible futures.
In some regards we are already post scarcity when it comes to inexpensive goods. Recording capability (like studio time) used to be highly valued, now the capability is widely available (while you get what you pay for).
JR