This assumes everything about current capabilities stay static, and it wasn't long ago before LLMs couldn't do math. Many were predicting the genAI hype had peaked this time last year.

If you want it to be a question of economics, I think the answer is in whether this approach is more economical than the alternative, which is having people run this substrate. There's a lot of enthusiasm here and you can't deny there has been progress.

I wouldn't be so quick to doubt. It costs nothing to be optimistic.