[whatever1]

But they were pitching their own testing hardware that supposedly had solved these engineering problems.

Not sure how just from the deck I could had called them out.

[ska]

After seed round anyway, a red flag was a combination of the technical hand waving and having the wrong sort of board for the product. In earliest decks you can only really look at the team anyway. I'm not sure you could reliably discount them in the first 6 mo, say.