I had a student ask me if there was color when I was a child. I explained that black-and-white film was just a film type. There was always color. No, he kept arguing with me that there was a time without color, and since I'm old, I was probably around then. One of his many "fascinating" viewpoints. I've asked him where he gets his ideas, and he says he just "knows things." Like the POTUS. And just as incorrect.