At roughly 20K she's not exactly low res. More along the lines of medium res. Low res is usually considered 10 to 15K or less. But anyway, there are a few benefits of having a low to medium res base figure to work with even if you never intend on leaving Poser. Multiple figures in a scene for one, such as background characters or big crowd scenes. They're also generally easier to weight map. And people do use Poser figures in game engines either to make games or to make animated films (there was an entire game dev expansion released for Poser 2014. Wasn't implemented very well but it was there), as well as exporting to other software for animation, etc. It's not common to see figures in excess of 50K in just about any other package, because lower res figures animate better and don't drain resources. Plus you can get more detail out of a well organized (optimized) low (or medium) res figure than you can with a high res figure if you're implementing subD levels correctly.