That's not what causes polarization. Those just speed it up and amplify it.

While social media usage is lower in France[1], it's laughable to say that it's not a force. Nor is agenda & social-media driven journalism less of a thing, it's just mitigated by government fairness doctrines[2] -- but certainly still there.

Hell, you can make a prima facie argument that this is totally true just by looking at the massive riots happening all across France.

[1] https://www.statista.com/statistics/284435/france-social-net...

[2] https://www.extradigital.co.uk/articles/social-media/social-...