This article shows how the instruments of the political and social criticism allow to observe value systems relative to language. The analysis is based on the study of a “Detoxification workshop of doublespeak”, created in France in the 2010s by a group of popular education. Having identified that “doublespeak” (in French “langue de bois”) corresponds, in the linguistic imagination of the speakers, to negative discursive practices, we wonder about what could be, by contrast, positive discursive practices. The analysis of the expectations of these speakers about what this “good language” would be shows an attachment in the personal experience of the social word as guaranty for one “true speaking” and a valuation of the language as the instrument of the contradictory debate. But it also questions the paradoxes of linguistic ideologies: indeed, the linguistic representations.