Sure, they talked about putting locks on the doors.
They probably even talked about getting real cars with roofs and everything.
But what fun would that be? Then you wouldn’t be tempted to stand up in moving vehicles. Then you wouldn’t be tempted to jump out of the car, screaming, and run. Ha. As if you could get away faster on foot than you could in the car.
Stupid humans.
Maybe evolution wasn’t very kind to you, either.