Another reason could be that many startups create a product that scratches an itch. They were looking for something as a consumer, didn't find it and started a company to create that something. In this scenario most products and services will probably be consumer targeted.
Also, few enterprise level companies are prepared to buy from small and/or new companies. So, why bother?
Also, few enterprise level companies are prepared to buy from small and/or new companies. So, why bother?