Enforced privacy is advisement. It's a signal that if you want access to a library's internal behaviours or state you should either communicate your use cases t

Enforced privacy is advisement. It's a signal that if you want access to a library's internal behaviours or state you should either communicate your use cases to the library's maintainer or fork it and manually integrate upstream changes. This leaves the maintainer free to make changes to internal behaviours and state without breaking an implicit API contract they didn't realize they had made.