How many startup founders do you know think they aren't building something people want?

These are some nice tips, but the problem with this advice is that it probably won't change founder behaviors.

Most startup founders I know would think that they are focused, building something people want, not over hiring, etc...

With the exception of the default alive or dead, none or the other tips are really quantifiable.

I appreciate everything Jessica has done, and she has a wealth of experience and exposure to a wide variety of startups, but this advice is too subjective.