sure but they could have easily replaced all the problematic characters by "simpler ones" like é,è->e, œ -> oe having an address (in France) containing some of

sure but they could have easily replaced all the problematic characters by "simpler ones" like é,è->e, œ -> oe having an address (in France) containing some of these characters the deletion make it barely readable, therefore useless since the goal is to have understandable urls