Because it's tall, big but not as big as a Roe and has bigger head than Elezen. I dislike the other races more than the one I picked. Would've picked Hyur if they were as tall.
What I don't understand is why would anyone be against this.. if you don't want to use it then it doesn't affect you. It's not like it's unrealistic either...when you wear something you can tuck the tail under the garment.