Gregory's ServerAutomation has always displaced labor.
LLM tools that help ESL students identify grammatical hiccups in their papers are *useful*.
LLM tools that help me brainstorm a “how to” document for undergraduates are *useful* especially when they remind me of things I’d forgotten to include. (Too close to the material: remembering what you used to not know is hard.)
In a sweeping generalization, almost all tools have Dr Jekyll/Mr Hyde characteristics.