Literature is news that stays news.
And the good writer chooses his words for their 'meaning', but that meaning is not a a set, cut-off thing like the move of knight or pawn on a chess-board. It comes up with roots, with associations, with how and where the word is familiarly used, or ...
Good writers are those who keep the language efficient. That is to say, keep it accurate, keep it clear. It doesn't matter whether the good writer wants to be useful, or whether the good writer wants to be harm.