the part which needs to be done is to remove the drywall,not to damage anything around it.
if I come to your house to paint a room but I fail to cover all your furniture and your furniture ended up with paint all over,do you say this is fine,as you are here to paint not to keep an eye on the furniture[/
if you read OP's thread,she/he said the lawyer is willing to deduct the cost of repair of garage door opener ($1k) from the amount due ($7)