French president Emmanuel Macron already unveiled new incentives to sway buyers away from Chinese models toward French and European ones, including a new €100 per month leasing scheme for EU-made electric cars, with those details announced today. The French government also announced a big rollout of cash incentives for first-time EV buyers, as long as they bought cars made in the EU.
A possibility is that this way the manufacturer is sure to get the batter yback at any time, which means that probably once it the battery is under a certain max charge capacity. As far as I remember, Renault is/was doing something like this with the Zoe batteries: once they are no more good to be used for a car, they were refitted for home usage with solar panels.
But I get your point.