Because English has become the lingua franca for Europe. I suspect that now UK has left EU it will be much easier to accept this.
More seriously, I suspect that
> Since the exit of the United Kingdom from the EU in 2020, the government of France has encouraged greater use of French as a working language
will hasten the move to English in official proceedings. Almost 44% of the population understand it already, and it’s unclear why the teens of the EU who already speak near-perfect English would want to learn French other than for recreation.