An open source distributed software system is available for free and is able to offer privacy, cross-border protection and prevention of asset seizure. But these characteristics are properties of the code and its forks, not of a specific coin or Bitcoin in particular.
What offers Bitcoin value is the level of marketing that makes people pour money and graphic cards in this specific implementation of the code. It doesn't have any scarcity - the code is forkable, there aren't any laws making it mandatory to use it for commerce/taxes, nor any laws that prohibit alternative coins from appearing. In fact, many other coin systems do exist, with the same advantages:
- https://en.bitcoin.it/wiki/Namecoin
- http://bitcoin.stackexchange.com/questions/1895/what-bitcoin...