In their defense, this is EE, not CS. The main thing that matters to them is to get the future engineers proficient in C. When I push for SICP, I claim it will achieve this better than the proposed alternatives, which are all-C and Python-then-C.
Our CS department did use SICP for many years, including when I was a student. Unfortunately they just dumped it, I don't know why. The fact they dumped it makes life even more difficult for me with this...