Selon une étude Ifop, publiée le 13 avril 2023, 35 % des Français adhèrent à au moins une théorie du complot – 16 % pensent par exemple que les premiers pas de l’homme sur la Lune sont le fruit d’une mise en scène. Dans un contexte de défiance croissante vis-à-vis des politiques, des médias et des institutions, ces spéculations conspirationnistes séduisent de plus en plus de Français. Véritable danger pour la démocratie, le complotisme déborde même de l’espace numérique pour investir la sphère politique.
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