The Z28 is exactly what many interested in perfromance wanted. And exactly like the Boss 302 was.
The LS7 is not to be a mass produced motor like the LS3 is and the LSA could be. it will always be the most exotic LS motor and limited in volume. The Z28 is for the few who know what it is and can afford it.
There are plenty of other Camaros for the rest of us.