If humans are not required to earn a living to be provided survival needs, many are going to want very much to be productive, but not at those tasks they did not choose to do but were forced to accept in order to earn money. Instead, humans will spontaneously take upon themselves those tasks that world society really needs to have done.
A new, self-employed architect scientist is the one in all the world who may accelerate realization of a high-standard survival for all, as now completely practical within the scope of available technology.