There are also two types of writing. Writing to convey a point and writing poetically. This is supposed to be advice so it would suit it more to be understandable rather than beautiful.

Having said that I assumed she was making a joke in the first paragraph, she seems to calm down a lot after that. Surely the irony of

> I’ve seen young writers contort their prose into incomprehensibly pretentious muddles, all in a disastrous bid to sound more erudite than they are.

is apparent to the author.