I don't see why there is any argument. 

DAZ user have Genesis.

DAZ and Poser users will have Genesis via the CR2 bridge.

Poser users will have whatever characters Phantom3D chooses to convert.

So everyone has what they want and don't have to use figures they don't like.

 

Regarding vendors,  Phantom3D makes his position quite clear

Quote - Befor we start in with "You'll never get any support" line. If the current vendors and merchants will not support anything but daz, then we need new merchants, not a hard problem to solve.