Is there any evidence of this? It seems like a thing people say all the time, but completely unsubstantiated.
In fairness, it is true that there is a correlation such that:
> The more the public panics, the more investors open their wallets.
I don't believe this to be causation, but I can see the correlation.
What else is there? The product as delivered today doesn't come anywhere near a justification for these valuations. All of it is built on an expectation of future capabilities, and that's where the Dario-penned doom papers come in.