To absolutely avoid this insurance. I'm trying to ...

To absolutely avoid this insurance. I'm trying to make the car deal at home by phone, asking questions about 2nd driver who is licensed right now. The question "Can I sign the contract and add the second licensed driver afterwards?"
The answer by a certain Nathalie Recevaut, taking a very aggressive tone "Sir, your call is registered, you are wrong, you contract is canceled directly under legal proceedings" ??? But where are you going ??? I do not have a contract at home !!! I'm asking questions ...