“GPT-5 is the first time that it really feels like talking to an expert in any topic, like a PhD-level expert.”

Yeah, feels like. Not actually examples of thinking and doing things at that level.

“These systems, as impressive as they are, haven’t been able to be really profitable,” … “There is a fear that we need to keep up the hype, or else the bubble might burst, and so it might be that it’s mostly marketing.”

That’s the painful truth. No profit, a lot of hype and a market in a 2008 financial crisis bubble.