The sentiment change would be:

A. the vast majority of traders would stop pumps & dumps, as they would not be profitable
B. few may try a coordinated pump & dump of an incredible amount in order to defeat the system buffer

it's not impossible to defeat the system (by exhausing the buffer), but because the buffer receives new currency during the pump, it's very difficult to accomplish.

With eMunie's economic model, BTC would be a digital currency, and not a speculative digital commodity.