La Poste : service public de l’obscurantisme ?

The video is a well-structured and persuasive critique of La Poste’s astrological merchandise. The author, known for his skeptical and scientific approach, provides a clear argument that the products are not merely harmless fun but carry a deeper societal harm. He effectively uses scientific studies to debunk astrology’s claims, such as the Carlson experiment and the Barnum effect, and connects these to broader issues of discrimination and irrationality. The legal context of La Poste’s public service obligations is also well-integrated, strengthening the argument that this is a civic and democratic issue. The video is rigorous in its sourcing, referencing peer-reviewed studies and legal texts, and the reasoning is logical and easy to follow. The only minor weakness is that the video is opinionated, but this is expected given the channel’s focus on critical thinking. Overall, the video is a valuable contribution to the discourse on pseudoscience in public institutions.

The title accurately reflects the content, which criticizes La Poste for promoting astrological products under the guise of public service.

8/10

The video is a well-argued critique of La Poste's astrological products, supported by references to scientific studies (Carlson 1985, psychological reports, etc.) and legal context. The reasoning is clear and the sources are credible, though the presentation is opinionated.

Markers derived by PSI from the transcript: the creator did not define chapters.

• 00:00Introduction: La Poste sells astrological stamps and coins.
• 01:00Critique of the astrological language used in product descriptions.
• 03:00Discussion of the Barnum effect and how astrology exploits it.
• 05:00Reference to Carlson's 1985 study in Nature debunking astrology.
• 07:00Explanation of how astrology leads to discrimination in hiring and dating.
• 09:00Comparison of astrology to other pseudosciences and its impact on critical thinking.
• 11:00Legal context: La Poste's public service obligations and the contradiction with astrology.
• 13:00Conclusion: Call for La Poste to stop endorsing astrology and promote science instead.

• La Poste : service public de l’obscurantisme ? (transcript) — Full text version of the video.
• Extrait du magazine du 19 juillet 2026 — Related video from the same channel.
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• Carlson, S. (1985). A double-blind test of astrology. Nature, 318, 419-425. — Scientific study cited in the video showing astrology's failure.
• Barnum effect in personality assessment — Psychological concept explaining the acceptance of vague descriptions.
• Griffiths et al. (2019) on superstitious beliefs and illusory causation — Study on how superstitions increase perceived causal relationships.