The numbers went up since the mass adoption of electric bikes. This caused especially elderly people to drive twice as fast as they could before, with heavier bikes they can’t control as well and they generally don’t wear helmets.
The next big problem are young people doing what young people do but now with electric assistance
The UK has some of the best produce in the world. What the average person at home does is of course something else but that’s no different in a lot of countries.
As someone mentioned rationing didn’t help the image but also the drabness of industrial canned food in the brown seventies. And people just forgot how to cook.