[edcastano]

Nice point. You can build a great ruby site without Rails, but Rails gives you a nice framework to make the process easier. Similarly, you can build a business without an MBA, but an MBA gives you a convenient framework to help with important decisions.

[ajaycancherla]

True. Good point. So it comes down to - which type of person are you? I stick by my original point - YC is the new grad school. MBA's learn all the theory of business, and YC throws you right into it. There's no better way to learn.