Article II-17: Right to property
It seems to me that the original author should read the document before 'commentating'
Perhaps you should have read it more carefully. Hardly seems like a constitutional protection to me. I imagine that that is just the point she is trying to make.
Under what, if any, circumstances may a country who has earlier voted to join the EU, leave?. I.e., say, Poland get disgusted in a few years and decide to opt otu? Logic would indicate that one of the newly free, former Sovie republics would find the bureaurocracy of Brussels stifling of all freedoms, and realize they'd made a mistake..