It depends. The article is advocating for writing poetry if you are struggling to communicate. That’s not the same as struggling to write. “Writer’s block” cov

It depends. The article is advocating for writing poetry if you are struggling to communicate. That’s not the same as struggling to write. “Writer’s block” covers a wide range of definitions from “I don’t know what to write about” to “I don’t believe I even can even write a grocery list.” There is often a large psychological component. Free writing can help in some cases, but in other cases the free writing can be repetitive and uncreative, possibly exacerbating the underlying psychological issue.