Agree very much with this article - this is probably the most common problem I see when founders try to pitch me their ideas and getting me involved. They have

Agree very much with this article - this is probably the most common problem I see when founders try to pitch me their ideas and getting me involved. They have some domain expertise, and they've let that convince them that they know exactly what needs to be built. They've slaved over designs, they've painstakingly considered all the angles they think matter, and they've been operating on pure hypotheticals for months on end. The reality is that, should you prevail and be successful, your product will only loosely resemble what you're envisioning right now. I am frequently frustrated - even by experienced technologists - whose "MVPs" are the size of the moon, and they regard validation as being only applicable to details, not the core of their concept. As someone once said, "no battle plan ever survives contact with the enemy".