I'd argue that both of these would be highly beneficial for all kinds of students, founders and non-founders alike.
Starting a startup could be generalized for all students to having a dream or goal, taking ownership of it, and making it happen. A startup is just one possible path, pg is probably too specific here, I would agree.
Having more free time to work on my own projects is probably the freedom I missed most at university. I think learning to choose what to work on and making something happen would benefit future workers, teachers, doctors, and engineers just as much as entrepreneurs.
It's a trade-off in terms of time and other resources, since parts of the existing curriculum would have to fade away. But I think it's a good starting point for change and a good direction to move in.