Don’t confuse familiarity with greatness. Of course if you wrote the damn thing you can demonstrate technical virtuosity.

Edit: Maybe I read too fast. Anyways, intuition is sort of the precursor to greatness. You know those designers that pick out colors innately? No amount of color theory studying will get you to that level. You are probably describing someone with an intuition for debugging.

One of those things in life everyone has to learn eventually. Don’t fight the tide, find the waves that are certainly for you.