Quote - My best guess at the moment is that when one applies a morph, Poser does not recompute the normals after displacing the vertices. This would usually not be a big problem, since most morphs are relatively smooth and do not change the directions of faces too much.

I think you may be right about this.  I was recently trying to smooth Antonia's fingernails for some "glove" morphs, and once the nails were smoothed out, the Crease Angle settings at default 80 degrees still treated the old hard edges as though they hadn't been smoothed at all.  It looks like Poser just works with the un-morphed base geometry for such things.

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Cage can be an opinionated jerk who posts without thinking.  He apologizes for this.  He's honestly not trying to be a turkeyhead.

Cage had some freebies, compatible with Poser 11 and below.  His Python scripts were saved at archive.org, along with the rest of the Morphography site, where they were hosted.