I suspect that is they way Unis have been plugging CS ie pure math over EE. I suspect that for those from a "Proper" engineering back ground the over lap is much higher.

Certainly working at a world leading RnD place at Cranfield (which had an airfield) in the 80s there was a lot of overlap some engineers had air band radios so they could listen out for anything interesting Bearcats, Spitfire going out for a test (they used to rebuild spitfires on site) run etc and loads would go out and watch