applied to businesses...this is why business usually carry liability insurance that covers there employees while they are driving on company business. I don't see anything wrong with this precendent IF the person that caused the harm did so whilst do any activity that has to do specifically with the business or organization.
This is why employers are supposed to screen their employees, and non profits their volunteers. So they shouldn't allow a brother who is a known reckless driver to be behind the wheel in field service, nor a pizza delivery guy with a bad driving record delivering for Dominos.
If I have a client that tells me they want the temp employee working for me to take on driving duties, I tell them no way, jose. That is a risk I refuse to take on, and our contracts state that.