>that demo provides absolutely zero information into the technical capabilities of the demoing team to follow through on promises with polish and at scale.

With vibe coding comes vibes-based capital. I'm only half kidding.

Speed to market has always been a factor. Venture prioritizing this factor due to AI accelarating speed is probably expanding ... for now. In bubbles, speed tends to rise to a higher priority.

Yes, first/fast is sometimes a negative factor (e.g. first to market doesn't mean best, second to market can take advantage of proof of market proviced by first, etc.)