but this article is not about writing a paper in chemistry, it’s about writing classes, where you get a topic like "what’s your favorite food" and you have to write an essay around that, and what matters is not which food you like (or why, or how tomatoes are different from onions), but how well you can articulate that statement
and why would you even go to a writing class? because that's a task most people are not good at, so you can get that coveted job as a journalist …