> M. Pierre Lellouche ... told the National Assembly. “They deliberately use the argument of public freedoms to make money knowing full well that the encryption used to[sic] drug traffickers, to serious [criminals] and especially to terrorists. It is unacceptable that the state loses any control over encryption..."

And whether or not it is supposed to "only apply to terrorism acts", there's no cryptographic algorithm that has a case for "secure unless the government is investigating an act of terrorism".

The point is that French law requires applications to be designed in such a way that key disclosure will allow customer data to be extracted. Signal, WhatsApp, Facebook Messenger, Apple iMessage, and other end-to-end apps would be illegal.