I have seen one negative consequence of merely scaling creatures down though, in that their animations speed up to match the distance traveled with respect to their size. That is, if you scale a human down to half the size and keep their walk and run speed the same, their animations execute at twice the speed. I mean, it makes sense from a physics standpoint but it looks really funny.

Not sure if there is a way to alter their animation speed.
This may not impact this particular use case, but I figured it might be good to know.