The lit & writing have one grasp then reduce complicated ideas down into manageable ideas, and express the result in a tidy set of cohesive paragraphs. Graders, proofreaders, and editors will be ruthless enforcers style and grammar.
Software engineering is largely about grasping a complicated, abstract idea then expressing it in a tidy set of cohesive functions. It won’t compile if the grammar isn’t correct in detail.
For this, more writing is better. Not indispensable, but definitely better.