There is a massive delta between knowing that, and being able to code examples of each from memory on a whiteboard during an interview. Also, it may surprise y

There is a massive delta between knowing that, and being able to code examples of each from memory on a whiteboard during an interview. Also, it may surprise you, but there are many highly experienced and extremely capable programmers that didn't study computer science in college. Filtering those people out because they can't answer programming trivia questions is, at best, hugely short-sighted.