Really, these sorts of ideas feel like we're getting to the "put everything on the blockchain!" phase. "Let's spend more GPU power for creating speech for the Sims than it takes to run the Sims itself!"
Isn't that kind of tech exploration central to the hacker ethos? (not trying to No True Scotsman anyone who disagrees, just how I've always understood it)
The inevitable four thousand startups trying to monetize shoving a LLM into everything when the technology is excessively wasteful and unwarranted, that's going to be the bad bit.