Earlier quoted context omitted.
In her eyes spending expensive marketing dollars to bring people to see anything but a full featured product is a disaster. The lean startup approach doesn't advocate spending a lot of marketing dollars showing people your MVP. It advocates being, well, lean, until you have a good reason to believe that you have "product/market fit". It's then that you crank up the marketing/promotion stuff. After all, wouldn't it be…
There are a couple definitions of "marketing". Most people's definition of "marketing" is "advertising". However, in business school, "marketing" is knowing product fit even before building anything. Knowing the product niche, pricing, market size, competitive advantage... all in the business plan ahead of time. You would not spend any money on advertising (or engineering) without knowing all this. Lean startup is ba…
A startup is "an organization dedicated to creating something new under conditions of extreme uncertainty" (quoting the insider cover of Eric Reis's The Lean Startup). If there isn't extreme uncertainty, then it isn't a great fit as an overall strategy.
On the other hand, the LS counterpoint would be that you'll miss considerable insights if you rely on existing knowledge/research (Ford's classic "If I asked people what they wanted, they would have asked for a faster horse" quote....)