RBE is also common sense. Did your parents charge you for room and board when you were a child? Would you charge your elderly and infirmed parent for such support? Just extend that concept and treat everyone as your family. It is much easier to understand when survival is a higher priority in situations such as total war.
The problem is scale. This approach just doesn't scale up. It's also a trust problem. How do we trust to be the bread earners and distributors in the global family?
The actual antithesis to capitalism is not communism or an RBE (which would be state capitalism), it is self-sustainability, even where it does not seem to be economical at first sight to abstain from large-scale division of labor. If everyone lived in their own biotecture earthships with solar power and 3D printers (or even more sophisticated replicators), i.e. when all basic needs are provided for without having to be distributed by an authority, only
then we can
perhaps do away with money, as any projects beyond that may (or may not) be accomplished with a voluntary and open source mentality.
Even with an open source project at some point consensus chooses an authority. With the blockchain the most proof of work (sometimes called proof of AUTHenticity) is chosen because it is believed to be the most authoritative. Authority can be trustless if it is awarded and limited by merit.
We often don't appreciate that we are fortunate to live in a world blessed with technological unemployment. Instead we compete for jobs that are abstract, redundant, obsolete, and offer little satisfaction. The system of employment is barely held together by inflating the economy. The open source nature of RBE offers alternative employment incentives. In fact even now most open source work is incentivized by pure enjoyment.
It's difficult to predict when revolutions will happen or they wouldn't be called revolutions. There are small revolutions happening every day that aggregate until they disrupt the social ecosystems. The real revolutions won't be 3D printers and Earthships, it will be the small choices we make every day that eventually change our behavior management skills and technologies. Understanding Bitcoin is one such very difficult choice for people to make, but one that can help bring better decision making technology to help manage Earth's sustainability.