The latter is prevalent in LLM writing. Imitating "poetry" without the feelings is something that the default, "aligned" chat models with reinforcement all do in one way or another. It's hard to get even a technical essay without empty emotional language.
And I'm only speaking for myself, I like reading novels, but it's perfectly possible to have a slop-meter without doing so.
My own signal-to-noise ratio in writing is also often bad, but with today's "frontier" LLM output I feel there's a specific tendency towards this harmless, emtpy, flowery language full of false dichotomies and rhetorical devices devoid of any purpose to communicate.
A model trained and fine-tuned to generate divisive Reddit threads sure has different tendencies.
But for the friendly assistants, there's often this solipsism and pseudo-poetic aspect.
Related, although just tangentially: https://www.astralcodexten.com/p/the-claude-bliss-attractor
And, regardless of the generation aspect:
An essay that starts with
> On bronze pirates, cloudy days, and the roads we do not know we are walking
just sounds pretentious to me and doesn't spark my interest.