That's what the NO vote showed. From the left wing and also from the extreme right wing.
So is this working on the long run ? I don't know. But you ought to make your people happy if you pretend to be (or to become) a good society.
Another explanation could be that the French get too much of those things and don't know how lucky they are (again, they kind of deserve it because they choose this model).
Or that they know it and hang desperately to those benefits... which will make things worse in the long run because we need reforms.