I'd say this is a classic example though - what is "aforementioned" doing here that "back to" doesn't already? If you digressed so far that "The point about aut

I'd say this is a classic example though - what is "aforementioned" doing here that "back to" doesn't already? If you digressed so far that "The point about automation..." doesn't ring any bells why do you think the a-word will do the trick? (I think "back to" is fine as it acknowledges the context switch)