Short styles do nothing but bring attention to the giraffe neck, while the thicker, longer styles work with the length to improve both the Elezen's appearance as well as the hair itself.

I often find those styles to make other races look like contestants in a toddler pageant, but they actually look elegant on an Elezen. SE has been really shackled to the hairstyle contest designs, and all of them have been very short. Perhaps we will get longer cuts in EW, and we will see more fem Elezen running around without wearing the same three styles :P