Given the way generated text works, it makes sense it would less often highlight a directly important phrase or passage or detail, since it has no understanding of what it is writing.
If I needed to program a light sensor to signal when it detects "significant" change in lighting, what does that mean? If I don't define it, it means nothing.
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"Delve" is a style word, another category highlighted in the article as a signature of generated text.
We aren't talking about "statistically significant" -- that carries meaning only if the statistic is explained, though.
The person I was replying to linked to a Wiki article on "statistical significance" which is not the word being used or discussed in this convo; did you note that before you replied?
You expect an AI to follow context, but the context switched here and none of the humans are seemingly pointing it out. I'd expect LESS of an LLM, not more.