This is a retread of the 'animal-cat-dog' inheritance stuff we learned in our intro to OOP classes, where some people got together and put forward their own idea of programming as 'the way forward'.

And me, like others have tried structuring our code like this, and failed, assuming the fault lay not with the idea itself but our skill level. Of course, by now it's kind of common knowledge that inheritance isn't a thing that can and should be used to solve every kind of problem.

Same thing with AOP - it might be sometimes nice, but on the whole, elevating this to the language level seems to be counterproductive.