That table is expressly from the point of view of an English speaker; I'm sure it would look very different if written for Arabic speakers. Since it's largely a function of similarity to your native tongue, how would we even measure if a language is easy or hard to learn?
And what counts as "normal language classes"? Until at least high school in the US, every class other than math focuses on reading and writing.
And what counts as "normal language classes"? Until at least high school in the US, every class other than math focuses on reading and writing.