Your theory about it not working because you didn't implement/override it in your subclass is right. Your pointcut specifies all executions of methods defined in the subclass, and without any methods actually defined in the class you won't have any matching join points.
I found out that my approach was wrong. I could apply the advice for just subclass with bean express like this.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.