The parallel doesn't hold, because the AI-bubble skepticism was near zero even six months ago. Yes, I was a skeptic, and I know where I was getting my info from

The parallel doesn't hold, because the AI-bubble skepticism was near zero even six months ago. Yes, I was a skeptic, and I know where I was getting my info from, so I know it was not zero, but it was not a significant market force and nobody in the mainstream was issuing any cautionary notes on it. It has now progressed to what you might call a "mainstream contrarian" position. The relevant Overton window has shifted to where it is just barely in the acceptable discourse window. It's been a while, but if I remember my dotcom bubble, that never happened from the zero-skepticism position. It was all RAH RAH RAH and then blammo it blew apart. Skepticism was always around... again, I know because I was a skeptic and I arranged my career, with modest but far from total success, around the bubble not being sustainable, but everyone around me had no idea what I was talking about (although since my alternative was "go to grad school" I didn't get much flak since they figured the market would still be as hot years later). The skeptical position was never in the Overton window, so I don't think the comparison is useful on this particular metric. Personally I'm watching, intrigued, to see how far the general awareness that this is a bubble can go while the bubble refuses to pop. At some point that awareness needs to translate into ceasing to feed the bubble the feedstock capital it is so rapaciously consuming, but "I can always find a bigger idiot to unload on" can run quite a ways, it seems. (I don't find that an appealing investment thesis personally but I seem to be in the minority.)