Agreed. Having some real world industry experience is really invaluable. Plus, if/when you eventually do "succeed" with a startup, the next stage is actually

Agreed. Having some real world industry experience is really invaluable. Plus, if/when you eventually do "succeed" with a startup, the next stage is actually building a company - and it's going to be difficult to do that without having actually worked at real companies (preferably more than one) to get an idea of how things work, and how you want to do things.