Neologism for a neologistic age: "Minimum viable user"
In my recent comments on Google Chrome, I tossed out a phrase describing the lowest-skilled user a product might feasibly accommodate, or if you're business-minded, /profitably/ accommodate. The hazard being that such an MVU then /drags down/ the experience for others, and in particular expert or experienced users. More to follow.
First, this appears a new coinage:
Generalistic and moderated instance.