Yes, that's absolutely the allusion. Brautigan's line is a popular title for stuff, including a widely read post by Dario Amodei two months before the CCC talk you've linked:

https://www.darioamodei.com/essay/machines-of-loving-grace

And it's also the title of an Adam Curtis documentary:

https://en.wikipedia.org/wiki/All_Watched_Over_by_Machines_o...

It's a good line.