[WJW]

I think I spotted the error they made. There is no mention of machine learning at all!

[karmakaze]

Ouch. I worked at a startup that pivoted and updated our tech stack along the way. There was some foray into machine learning but not too heavily. This might actually describe more than one of the startups I've worked at.

[nablaone]

and no blockchain

[wojciii]

I think that they hired people without checking that they could solve basic algorithmic problems on a whiteboard. This was clearly a fatal mistake.