I think elderly people who struggle to even walk to their car should not be allowed to operate motor vehicles
Why do you want them to be prevented from using their cars? I can see if it is for safety purposes.
They are a danger on the road.
This is a legitimate concern to have with the elderly. They should have some limit put on them. Its for theirs and everyone else's safety as well.
I know a few old people who are dangerous drivers, which makes me want a law for this.
There was a story of an old 80 year old man who killed dozens of people in the early 2000s so this has been an issue for awhile.