Thanks for sharing. Sounds like what was lacking was customer development (term recently in vogue, but basically represents some solid, time-honored principles of makign sure people are willing to pay for whatever you'd liek to build... before you build it. :)
I'm guilty of not following this process as well. In my case, I stuck with the product anyway, and over a very long haul (about 3 years, and $500k) we've finally hit product/market fit. An expensive lesson to learn.
For non-designers looking to understand how "design" can and will influence your company's value - the talk is a good springboard. A list of the first 10 things to research to get a basic grasp.