Not sure what you mean by can't get physical commodities. Lots of cases where Bitcoin's been used to exchange for exactly that: real estate's a prime example where even cash isn't preferable for single-payment buys.

Worse come to worse, Bitcoin is exchangeable almost anywhere in the world for almost any currency - and that's not decided by any country or bank, there's just simply millions of people and businesses that will readily accept your Bitcoin.

Name 1 other currency that you can use anywhere in the world to exchange for the country's currency. Don't say USD either, some countries prohibit those, and you'd need to find a moneychanger in 90% of the world. Bitcoin? Go p2p and there's plenty of people ready to take your bitcoin.

It being stateless isn't a shortfall, it's one of the very things creating value for it.