Simply because the primary objectives were all met, i.e, ascertaining that most of these POT SDs are full of shiite, no matter how good looking, well toned, well honed. well hung, yada; they claim to be. Fundamentally it boils down to this: are you willing and able to put your money where your mouth is and actually adhere to the essential element of SA, i.e, granting sugar! There are lots of players and those who say a lot, but at the end they seem to do nothing!  

Since SweetMan does not suffer from LEM's afflictions, I would just suggest that the attrition is because of slow times in a demographically slow market but if you want to help him out, ask Yo Momma to create a profile just for SM