Product is definitely the most important, but somewhere in the piece it talks about how marketing and sales become unnecessary, which is so dumb. Once your funn

Product is definitely the most important, but somewhere in the piece it talks about how marketing and sales become unnecessary, which is so dumb. Once your funnel is optimized and working well marketing just becomes free money as every cent you spend turns into dollars on the other end. But for most companies where there is a lot of room to improve on the product, spending on product should have more returns than spending on marketing.