I fail to understand why people anthropomorphize LLMs. They are word calculators. Sure, impressive ones. Useful ones. But still just calculators. So it should be self-evident that limiting their output will change their output. It may be interesting to note how wide those changes are, but that is all it is.
Also, original title is: "Umwelt Engineering: Designing the Cognitive Worlds of Linguistic Agents". HN frowns on editorializing titles. From the guidelines: "Otherwise please use the original title, unless it is misleading or linkbait; don't editorialize."
https://news.ycombinator.com/newsguidelines.html