TheTick,
If you read my post above you will note that I state the checker will spend more time on the drawing set than does the designer when considering an automated design. So to answer your question about who checks the results, well... the checker does.
And if you really think design automation is generations or even a single generation away from becoming mainstream, then well, that is your opinion...
I wonder how many guys years ago said things like: "Oh, the idea of 100 Megabit/s ethernet will never happen - or - 1 Gig Ethernet will never happen - or - 10 Gig ether will never happen - or - my car will never be linked to a satallite - or - what do you mean robots will build cars? - or - no one will ever crack the code to the entier human DNA sequence".
All these things I just mentioned did not only happen in a generation, most occured within a small fraction of a generation.
As for drawing automation... I know that it works at least on a small scale because I have personally written the code that does it, and I use it routinely at work to assist with some of the mundane and time consuming CAD type of tasks. And yes, there are some CAD operators out there who are a little angry because they don't get to spend 2 days doing something that takes me 2 minutes. In fact, about a year ago, I was asking our CAD operator to assist me with coming up with ideas of how to integrate and automate our design processes to elliminate some of the mundane and time consumming tasks. He laughed at me, refused to help me, and of course mouthed off about how it could never happen. Even his boss (not me) instructed him to assist me. He still refused, and was later fired for an unrelated reason.
So just for the record about drawing automation... it IS happening and the sky is the limit on how far it will go.