The issue raised is that subsequent crowd sales will depress the value of the AMP which an increase in the currency supply is bound to do. 

The answer is that given synereo success, exponentially replacing facebook, insecure email etc., without increasing the amp supply the current of amps will increase exponentially while the share available per server drops exponentially,  potentially  causing exponential increase in the price of each amp.   At the same time operational costs drop roughly according to Moore's law.  The potential gain is phenomenal.   But unless synereo stays ahead of the curve with rapid continuous improvement it will not grow exponentially and be passed by other players and have only a modest return. 

The future crowd sales are to insure synereo stays ahead of the curve while maintaining as least a linear growth in value of the AMP.