To a friend or colleague, yes. But for quotidian business transactions LLMs are such a shortcut. I pointed one to three Amazon orders that I wanted to return with reasons for each, and asked it to look up the details and generate warranty service request emails for each. A quick review copy paste send, boom done. A 15 minute task done in 5. Repeat and it adds up. But you need to know when not to take the shortcut.

I think the difference there is that a warranty email isn't aimed at a person, but a company - which, I think cstross has pointed out, was humanity's first AI.