If you plunge a sword into your chest, you also can't make choices later on. Does that mean it's impossible to choose to plunge a sword into your chest?
You are free to make a choice even when the end result is restricting future freedom (sword=death, illegal action=prison/death). So you can in any moment "be totally free" in virtually any society as long as concerns for freedom in future moments are irrelevant to you
What did you smoke, my friend? I really like your search engine, don't destroy it's image for me. Freedom is not strictly equal to technical possibility, it's not even the same word.
Aww come on, I don't want you to agree with me, I want us to have an interesting discussion about what freedom is and ultimately why we want it. It's worth while, trust me.