Your point #2 doesn't really work. You can manipulate the market in the short-term but you can't control the inherent value of the currency. Fiat currencies issued by governments can do that because they can literally just print or destroy money through monetary policy.

And I'm talking purely about bitcoin. I'm a lot more bullish on the future of crypto-currencies in general, but bitcoin has a lot of flaws that are probably deal breakers at this point.