Why haven’t we heard more about this?
French words often are in similar form to their English counterparts, so you probably can make out the meaning here: this has to do with retaining control of the Internet in the event of some “catastrophe.” Specifically, President Obama signed a new Executive Order on the subject, back on July 10.
The Order is labeled “controversial” in that tweet, but I became aware of it in the first place only from that source and have not been able to find much additional discussion elsewhere. The President basically reshuffled the responsibilities assigned to various federal agencies should either some natural disaster or national security menace arise that threatens US communications. Such criticism as there is has focused on the Order’s section 5.2, which seems to give the Secretary of Homeland Security the power to seize and control private communications networks, e.g. the Internet.
This Le Monde article does provide a link to the tech-site The Verge, which was one media source that did mention this new Executive Order and critique it; you can go there for further explanation in English.