Founding a company is a sheer act of will and tenacity in the face of immense skepticism from everyone - investors, customers, friends, family, and employees, to name a few.

Customers are more comfortable with a name they know.

Founders, presuming they know their customers, assume they know all the features customers need.

First and deadliest of all is a founder's unwavering belief that he or she understands who the customers will be, what they need, and how to sell it to them.

Visionary CEOs don't need someone else to demo the company's key products for them. They deeply understand products, and they have their own coherent and consistent vision of where the industry/business models and customers are today, and where they need to take the company.

A startup is not just about the idea: it's about testing and then implementing the idea. A founding team without these skills is likely dead on arrival.