>>13086211While I generally don't believe in explaining designs out of my tendency to hold that a good design should speak for itself, here I will make an exception as I don't consider this detail to be an eyesore.
While there is no indication from GF as to what was the reasoning behind every line in his design, someone drew a fitting analogy to those puffy pants of renaissance era.
As for your question - no, you are not the only one - which sometimes makes me wonder if there is anything wrong with my taste as I consider this peculiarity a plus in his design.
On a loosely related note, people desperate enough to draw Gallade porn generally try to decrease the size of his hips as much as possible. Which is yet another reason as to why UFO waist should remain. 