(a) Why are these mutually exclusive? (b) “Math wizardry” in the context it’s being used here means something like “able to think and focus in a deep and prolonged way about the connections and patterns in numbers and structures”. This is about as useful a skill as you can develop in a huge number of fields, including most sciences and engineering disciplines, finance, architecture, mechanical jobs like auto repair, many kinds of art and music projects, some of the trickiest aspects of law and government, and so forth.