This is the part I think most believers fail to understand/acknowledge.
As of now you would need to dump 1.7m paycoins (14% the total coin supply) to eat through GAW's buy wall of ~$34 million.
In 5 years there will be 12.8 billion paycoins so dumping 1.4m paycoins would only be ~0.015% of the total coin supply. To dump 14% of the total coin supply (1.8b) at $20/coin would require a $35 billion buy wall.
Last time when I checked the source on Sunday the theoretical max money limit was 2 billion (inherited from PPC). The POS adds cca. 5%/annum to the 12.5 million at the end of POW, so that 12.8 billion looks a bit too much for me.