Gorgo said..
I thought that if you ban stuff in France then everyone just goes out and does it more to assert their liberte. Vive le France! Vive le foil!
Actually France lawmakers have the tendency to think "better safe than sorry" and pass overly constraining laws, but saying "Don't worry we wont enforce them, it is just to have a weapon ready just in case".
For the foil ban in Anglet, I would not be surprised if the police make non-local foilers get out of the water, but leave the local ones in :-)