> Google and Facebook would happily run every piece of user generated content through an LLM if they had enough GPUs. Same with Microsoft and every enterprise document.

.. But how much actual value derives from this?

Youtube could conceivably put multi language subtitles on every video. Potentially even dub them.

But the "real value" would come from making adverts better targeted and more interactive. It's hard to quantity as a person outside of the companies, but the intuition for a positive value is pretty strong.