"If you are old enough, or possessed of a certain kind of disposition, you may be thinking, Wait a minute, aren’t you describing Enron? And uh, in some sense, yes! Enron’s whole thing was special purpose vehicles with extremely speculative valuations that were used to take on debt, Luria notes. But Enron lied about what it was doing, and that’s fraud and illegal. (It also got up to other illegal stuff besides.) Nvidia’s relationship with CoreWeave is all happening in plain sight. So are all the relationships with the other neocloud companies. It kind of seems like the tech company version of the GameStop open pump-and-dump."

To answer your question - not unique to AI spending boom - this kind of things was right there for recent major bubbles.