I calculated a few posts back that $0.5 million USD is needed to prop the HashStakers alone, not to mention regular staking. Basically you need GAW to make at least $0.5 million per day STARTING NOW to be able to sustain this. All other speculation about floors and exchange manipulation and magic future technologies etc is meaningless. Without cold hard income to back it up it will unravel sooner or later.
To be fair Bitcoin has 1.1 million dollars a day inflation right now.... but yes, I agree with what you are suggesting that paycoin2 won't be able to sustain that inflation, especially since BTC is deflationary long term and paycoin2 is inflationary long term.