I'm not dismissing his advice, I'm curious about the cultural context of why his advice is important. It's like leaving comments in code. I know what the code

I'm not dismissing his advice, I'm curious about the cultural context of why his advice is important. It's like leaving comments in code. I know what the code does, but I don't know why you did it this particular way. Google tells me he's a famous/important person, it rarely doesn't explain why he's more famous/important than other famous/important people.