It's hard to make that statement about them becoming too powerful. There still are other tight knit black mobs such as the Black Souls, New Breeds, Mickey Cobras, and some 4 Corner Hustler's crews.
Black souls are tight knit, but they only operate on the west side pretty much and they are pretty small. They're are I believe 4 groups of them each with it's own King. Mickey Cobra's and 4 corner Hustlers aren't mobs they are established gangs, the New Breeds are the first cousins of the BD's they are a gang as well
