Even if it meant saving the life of children that were knocked up in the air today - they could have been killed. I for one value the future life of people over the independence of someone in their retirement.
Seriously, I bet no-one would ever put it through the legal system even if the government could afford the cost!
Also, imagine trying to take every potential child killer off the roads! Well, it would definitely improve congestion!
I just treat every driver on the road, be it bike, car, lorry as dangerous!!!