Maybe France really changed a lot. But be not mistaken: It is still the most bureaucratic country on earth. Anecdote: I'm doing a PhD in France. Each year, one has to do a re-inscription. In Germany, that means sending money to the university. In France, that means sending in – let me count, I have them on my desk – 17 documents, and to pay as well of course (preferred way: with a check. Like it is 50 years ago). The…
To be fair cheques are still popular in France and regularly used by administration, landlords and individuals.
But: That at least changed. They are still popular like you said, but by now you can get by without them (I for example have none), many stores do not accept them anymore. That is new.