Nonsense. The HGAC Wing is awesome.
It's an almost stress-free build with a final result I have almost no issues with. Things I don't like:
1) The Buster Rifle has a couple, bad nubs on the bottom side. In a straight build these are generally visible only in Bird Mode though.
2) Two loose pieces. The v-fin (a little) and one of the chest vents (allot). A dab of glue on each has permanently fixed the problem.
3) The green, crescent-shaped sticker for the shield is a pain to apply. That's the only tough sticker though. On a High Grade. I'm not complaining.
There are also a couple color inaccuracies like the teeny head vulcans, the chest vulcans, and the inner sections on the red feathers that should be white but I personally don't care about those and the kit nails everything else. Perfect balance, great poseability, does all the Wing gimmicks. Have fun with it.