Doc000 posted at 1:06 PM Thu, 4 May 2023 - #4464268

I just chalk it up to being the "wild west" early days of content creation and not having any real standards when it came to making the files.

IIRC, this was because Poser's preview display would slow down significantly with mashes that used a lot of transparency maps, especially dense meshes like hair. But it's not really an issue these days.