I completely agree with the sentiments expressed here that a sim should never be used to lean the basics. Some parts of flying can be explained and sometimes even practised in a desktop sim. Procedures, especially IFR ones.. the story of Zorrin reminded me of a student of mine.
In the early 90's I was teaching at one of those flightschools where we did 10-day instrument ratings, 2 or 3 day multi-engine ratings and the likes. And we did PPL crash courses..
In walks this swedish student, gets assigned to me, forgot his name. His flying skills (handeling the a/c) a bit below average, not unsafe, but he was thinking too much.. Anyways, our flights were usually filled with exercises from t-o to landing. And departing the airfield to the practise area we already started flying "under the hood" tracking radials outbound after a couple of hours. On this particular flight I was planning on introducing him to this practice ( he had 4-5 Hours) but time constraints made me forget/skip the briefing. I mentioned this to him while climbing out, and he replied basicall like Zorrin's student.. I know how to do it, no sweat.. So under the hood he went, and lo and behold, he did just fine!! I was testing him, and let him do intercepts, tracking in and outbound etc.. Ok, coming back he did mess up the ILS, but that was due to his handling :)
Before he came over he had apparently practised a whole lot on Flight Simulator, ( version ?? 2-3-4? Have no clue, was early 90's) So he makes a perfect example of what you can and can't learn in a basic sim.. No handeling skills, but using IFR equipment and procedures is fine.
And going a bit further about full motion sims, I have flown quite a few, but i wouldn't say that you can learn how to fly on one of those.. Every 6 months I have to remind myself that it's a computer,and not an a/c and I do fine..