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"Real" photorealism obviously isn't such a high priority for the average Poser/Studio user.

So why implement features that are strictly for photorealism if there are much more pressing matters ?

 

If Photorealism isn't a goal of many poser users, I would suggest that is largely in part due to all existing models being photo-unrealistic.  If your model isn't even looking right in the first place, what use is photo-realism?

I think you're wrong though, on this point.  I think a great majority of Poser Users wish they could achieve photo-real results.