And? You can demonstrate your complete lack of knowledge of something basic in one area, and understand some extremely complex things in another.

Ben Carson (a US presidential candidate from 2016) is one of the most brilliant neurosurgeons in the world, and yet he derailed himself often by bumbling about his conspiracy theories about pyramids in Egypt being used as rice silos. He showed himself a fool on a number of public occasions. And yet, he understands all complexities involved in being a great neurosurgeon better than heavy majority of experts in his field.

No, I mean he has demonstrated a lack of basic knowledge with programming itself, but he's making large architectural decisions and firing the people warning him about it.