Also don't forget it's just one of three aspects I can think of off the top of my head. This isn't the only issue with LLMs...
Edit: while typing this reply, I remembered a fourth: I've seen many people object morally/ethically to the training method in terms of taking other people's work for free and replicating it. I don't know how I stand on that one myself yet (it is awfully similar to a human learning and replicating creatively, but clearly on an inhuman scale, so idk) but that's yet another possible reason not to want this