Except that education is an industry where the customers want less for their money.
"I get the impression that you understand this, but what you write should be correct and coherent so that the reader, besides me, is convinced, and easily convinced. Oh, and your spelling could be better."
"Doesn't matter as long as I get the right answer."
"Well, somebody reading it might get the impression that you don't know what you're talking about, and are lazy and ignorant. You're really putting yourself at an unnecessary disadvantage compared to the people who do write well, and can spell."
"..."
"Look, 'accelerate' has two c's. And it's printed here in the question! Can't you even copy correctly?"
*Doesn't it?