That's not poser doing that -- poser doesn't reduce polycount. That's either the engine hitting the poly cieling it has per figure (Poser figures are way too high res for use in most games)or some other program in use.

thou and I, my friend, can, in the most flunkey world, make, each of us, one non-flunkey, one hero, if we like: that will be two heroes to begin with. (Carlyle)