Not saying it’s not possible. Just that the system is like that for a reason. And it’s really silly if you sign into a specific curriculum and not plan to adhere to it’s rules.

It’s like buying an expensive tool and throw out the manual, use it in a way it’s not designed to and then complain about it.

You can just not enroll, or enroll in a open uni, like you posted. But don’t enroll, go against the rules and then complain.