The deluge of speculative tech investments unleashed by artificial intelligence is unparalleled in history. Never before has a technology which promises so much — but currently does so little — managed to capture enough funding to threaten the US economy should it fail.

With that kind of cash on the line, one would assume that tech startups have done their homework on the complicated reality of AI development before courting untold millions of dollars from overzealous investors — that’s sort of their job, after all. But according to Facebook’s former head of design turned tech entrepreneur Julie Zhuo, the hottest AI companies on the market are getting by on “good instincts and good vibes” alone.

In a recent interview with podcast host Lenny Rachitsky that was spotted by Business Insider,

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