If a text can have Unfortunate Implications even if there was no alternative way to tell the story and the story is legitimate, then I don't understand this concept of Unfortunate Implications and I think it oughtn't to be called "Unfortunate Implications". Because there is no implication of anything.

These things seem to me to work like implicatures. "The author could have told the story in a different way. But she didn't, she told the story in a way conforming to this or that culturally prevalent pattern. Interesting.". But if the author couldn't have told it in any other way anyway and the conformity with the pattern is a purely accidental property and the cultural prevalence of the pattern has nothing to do with anything in how it came about, then this isn't interesting.