What's pretend-rhetoric about it? They're positing agents will prove to be very capable, but that this would ultimately be a bad thing by automating away too much of the economy. You can argue whether that's plausible or not, but it isn't an incoherent or vapid argument.
I suggest you read the annotation if that question isn't just rhetorical. I'm not familiar with Ed, but he has a pretty good take down in here if you can get past his somewhat juvenile writing style.
It is a problem when your doomsday timeline for obsolescence is behind the minute you publish.
The memo itself was fantasy doomer porn on day 1.
