It's what they read on The Internets when training, so don't expect them to generate new phrases, other than what they learned from it?
That's the point though, it doesn't reflect human usage of the word. If delve were so commonly used by humans too, we wouldn't be discussing how it's overused by LLMs.
### The answer that fits everything (and what to do about it)
That's the point though, it doesn't reflect human usage of the word. If delve were so commonly used by humans too, we wouldn't be discussing how it's overused by LLMs.