It is unclear what is the outcome. Some people will say that it is helping poor people, others will say that it demotivates people to find a job and is contributing to French high unemployment rate. It is really unclear.
edit: To receive RMI/RSA, one also need to be looking for a job, but it is not really enforced.
https://en.m.wikipedia.org/wiki/Revenu_minimum_d%27insertion