I think I already answered that question if you carefully read the post and follow the links:
How's that possible?
While I will write more when I publish the Prosperist White Paper, but for now my short answer is: Same way as we have been helping the poor with food, clothing, medicines and money, without anyone actually paying for it. See these posts where we are just sharing our influence:
https://steemit.com/life/@sharonomics/incentivized-sharing-week-1-report https://steemit.com/prosperism/@sharonomics/incentivized-sharing-2-be-a-prosperist-and-help-the-impoverished https://steemit.com/charity/@sharonomics/incentivized-sharing-3-be-a-prosperist-and-help-the-impoverished