I don't have more training than anyone else - as you say nobody bothers to get it unless forced. I passed my test at 16, I know of a couple changes to training since then but it is by accident since I didn't look and no effort is made to ensure drivers hear of changes. I know many several things in my training that it is obvious nobody is doing.

I think training could help. However I don't think it will. People think they are good enough and will write down answers to pass the test. Maybe if the training was mandatory behind the wheel with failure meaning you lose your license - but the voters won't stand for that.