If you are going to just shoot auto why bother with a DSLR in the first pace. A decent point and shoot can give you the same results at half the price. The idea of a better camera is to get more creative with your shots. Sure start off in auto but don't stay there. The only way to get great shots is to experiment. I quite enjoy the post processing to touch up something. Just snapping and posting seems to take the joy out of it.
You likely use the auto for 80% and would disagree with its setting about 20% of the time.
My suggestion to use auto was for teaching photography to beginners. The idea was to introduce the most important concepts first. Those have to do with the subject and are not technical.
The SLR does offer things you can't get with a point and shoot even if both cameras are left on full auto
1) The larger sensor is more sensitive to light, you get better color and less noise
2) the SLR handles fast with almost zero shutter lag. This is I think the #1 advantage.
3) Every point and shoot camera I've owned does in fact allow you to control shutter speed, f-stop and ISO. It's just not convenient as these are buried in a menu. The SLR is faster
The automatic system on a modern SLR is very good especially if you use the scene modes for close-up portrait and landscape, macro or whatever.
Of course later you might have an image in your head and you KNOW the automatic system would not create that image so you decide to (maybe) add a stop and a half more exposure or some fill-in flash. But first you need to know what the automatic meter would do.
I've spent a few years studying how people learn new skills, the bottom line is "don't hit then with a fire hose blast of new information. Only after they can compose and pre-visulize images then give then a problem and a solution and then practice, then another problem and so on. If teaching yourself this goes double.
The most important thing to learn is how to place the subject and background in the frame. For that you need to decide the "proper" subject to camera distance and subject to background distance and you will have to move both camera and subject to get this. But you give a beginner a zoom lens and he never even thinks about this. Just watch what they all do and you will see.
When yu think about it, an SLR with a prime lens set to full-auto is VERY limiting in the photos it can take. It FORCES the user to think really hard but at the same time does not require they know any "technical stuff".