Chestnut
Having seen so many accidents caused by doddering oldies, in some cases killing children, I think any attempt to test over 70s is a good thing. Some people see their right to drive as a human right and carry on into their 90s when they are clearly not safe. Attempts by the family to curb it are met with refusal, so the only way to control them is by testing. They need a special test which takes eyesight and reactions as a priority. One thing they often do is put their foot on the accelerator instead of the brake which causes utter mayhem and often turns the car over. People have been killed by this error.
Also remember the roads are very different today from the past. How familiar are they with road signs and road markings?
As for myself, I gave up driving at 60 years because I have a problem with my leg. I'm actually quite happy that I don't have to cope with today's roads.
Having seen and heard of many accidents caused by dangerous drivers of any age, like that younger chap mowing down that 2 week old baby, the teenagers stacking their cars full and killing all involved, as a driver of 45 years with a very clean licence, I know who I would retest, mostly the arrogant young men in BM who think it’s ok to travel at 60 in a 30 mile restriction, one could pick and choose and find dangerous drivers in any age. ?