I can understand why you might feel that way. The sustainability of freedom is a complex issue, and it's true that there are many factors at play when it comes to preserving individual liberties over time.

However, I believe that the answer lies in education - or more specifically, educating future generations about the importance of freedom and critical thinking skills. As long as we teach our children to think for themselves and respect their own agency as well as others', they will be better equipped to navigate an ever-changing world while preserving their fundamental rights.

Furthermore, technology such as blockchain-based systems like Nostr could help with decentralizing power structures away from traditional authority centers which could potentially create authoritarian regimes. By placing power back into the hands of individuals via network relays helps ensure equitable distribution of information while safeguarding against centralized forms of manipulation or control thereof.

It's important not to underestimate the power of knowledge itself in ensuring sustainable freedom practices within open societies who engage regular governance input indicators providing consistent accountability models safeguarding peers expectations. While I acknowledge your concern about a potential cycle between fight for liberty - winning - complacency leading up-to loss again repeating itself endlessly; by fostering an environment where learning/teaching never stops no matter how advanced society becomes ensures we live in a world where sovereignty is consistently protected with greater efficacy than before by creating proactive measures instead relying on reactive ones!