ETA: My model here concerning Poser and Daz is analogous to this:

You have Poser which provides the specs for building the weaponry.  Daz is basically using the same specs to build their weaponry.  Ah, but Poser has a few secret weapons in their arsenal which they keep away from Daz spies.  Daz then decides to build their own weapons based loosely on Poser's via reverse engineering (quite literally, might I add).  But the problem is that Daz's weapons are still quite well understood by Poser since Poser provides the specs.

There are more complexities (Daz consuming Hexagon, Carrara, etc.) but the point is that unless Daz complete severes its dependence upon Poser specs, they will not be at liberty to divulge themselves completely of them.  Daz is a satellite of Poser that keeps battling for its freedom but cannot gain it while remaining dependent upon its resources.  Wakarimasu ka?

C makes it easy to shoot yourself in the foot. C++ makes it harder, but when you do, you blow your whole leg off.

 -- Bjarne Stroustrup

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