We're back around to the start again. "Incredibly hard" is doing all of the heavy lifting in this statement, it's not all-powerful and there are enormous failure cases. Neither the human brain nor LLMs are a panacea for thought, but nobody in academia or otherwise is seriously comparing GPT to the human brain. They're distinct.
> There's a technical explanation for why that works, but to you, it might as well be black magic.
Expound however much you need. If there's one thing I've learned over the past 12 months it's that everyone is now an expert on the transformer architecture and everyone else is wrong. I'm all ears if you've got a technical argument to make, the qualitative comparison isn't convincing me.