Yes, short is popular. My Miqo'te is as short as she can be. Though I also made her bust small as it would look off if she was super stacked like most Miqo'te I see.

I fully expect the female Hrothgar to be short and more humanoid just so most players will want to play as them. Making them closer to Miqo'te or Au'ra is the only way they'll gain any traction.