Definitely agree, if you're in college and thinking about being an entrepreneur, take some computer science classes. Even if you don't learn web dev specifically, you'll learn the principles and meet some technical people.
I think an important point to note is that it would also significantly improve one's ability to assess the magnitude of a project. See http://martingryner.com/no-i-wont-be-your-technical-co-found... (I'm aware this piece was one of many inspirations for the original post).