> Moreover it's not hard to think of vaguely similar objections to fertilizers.
It's completely different. If LLM companies pulled this out of thin air it would be also different, but no; they've effectively plundered the commons and locked up all the profit for themselves. If intellectual labor goes the way of agricultural labor, I think humanity will have lost something valuable.
And don't come back with the "farmers would have said the same thing about the industrial revolution!" thing again if you're just going to terminate your thought there. Automating agricultural labor brings vast material benefits for all since it lowers the cost of tangible goods needed for life. I'd challenge you take this one step further and explain why automating intellectual labor will provide similar fruits and is therefore something to cheer for.