To clarify. 

You have a figure that was designed for a more mature crowd. This figure has lots of polygons in one particular area. And there are lots of third party morphs and such that add further ... ummmm ... "realism" and animation to that particular area.

Now you hope to make that figure that's already out there more accessible to a family friendly crowd. That means you have to "morph out" the detailed gens in the base and smooth them out.

But now, all those detailed adult-oriented morphs will no longer work the same on a base mesh that has been smoothed out. The morphs will no longer look the same and would have to be reshaped to work with a "no gen" base figure. So really, the time to address all this is during the design of the figure from the start. Too difficult to make changes when there is content out there already that relies on the older default shape.