Furries wouldn't be very good at self-preservation in a fantasy world, because they would see or learn of something magical that entices them, only to find out there's some physically/psychologically harmful element.
"Subservience to a dragon? Oh boy I want in on that!"
Say goodbye to your free-will until a hero slays the dragon.
Maybe most damsels in distress end up just idiots that got too curious~.
The king produces a decree that "morphologically displaced humans" do not have the status or rights of other humans.
Some people messing with polymorph magic move to villages outside of the royal domain, while others willingly accept their lack of human rights in the city walls.