It's common in AI writing because it's common in human writing. Juxtaposition is a useful rhetorical flourish.
Consider the OpenAI case of "goblins". The models overfit to a specific type of output. Goblins was a specific case of this type and needed to be corrected.
https://openai.com/index/where-the-goblins-came-from/
> We unknowingly gave particularly high rewards for metaphors with creatures. From there, the goblins spread.
I've never really cared about fashion.
As an extreme example of this, no one calls it a "Charlie Chaplain moustache" and if you wear one people will avoid you, no matter how much you insist it's just because you like Charlie.