Stuck on Motion Graphics

So last class I presented a Visual Context/Mood board where I had to answer a list of questions about the project as well as present visual research. After answering the questions I began to second guess if what this project is REALLY about. I want to use this time I have to develop a project that showcases what it is that I want to do when I finish school—which right now is Motion Graphics. But I began [over]thinking asking "Is the subject, STEREOSCOPY, just a some crap-shoot subject that exists just to make some cool Motion Graphics—is there any real substance in the topic itself?"...