If it’s your car, then you are responsible for the safety of your passengers. You should ensure that any adults are aware of how to use the safety features, e.g. seatbelts, and you have a plan for evacuation of any children in the event of an emergency. Just like if you’re driving a car with child safety locks on the rear doors that prevent those doors from being opened from the inside.

Hate on Tesla or Musk all you want, but let’s not spread easily-disprovable FUD. It weakens whatever argument you’re trying to make.