Yeah, and Python has some standard nomenclature for marking a property as protected and a little bit of behavior for helping mark it as private. You do not need encapsulation for that.

And there is nothing about the Pythom runtime stopping someone from using it anyway.

With a statically typed language, you really have to go out of your way to do it like using reflection and if your code breaks on an update you get what you deserve.

YAGNI rules the day.

You’ve never had to refactor code that was used as a library by other developers?

Do you realize how many hacks is built into Windows just because developers were using undocumented features?