If the left and right arrows are full-size I know it's going to be miserable to use. Probably worse than miserable, because clearly nobody who ever uses the keyboard a serious amount has actually sat down and used it, or the arrow situation would have been fixed _immediately._ Who knows what else is terrible about the keyboard, given that it was pretty obviously not seriously tested?
(I'm poking a bit of fun here, but this _is_ still a dealbreaker for me. I use those keys plenty, and full-height left/right arrows are indeed _miserable_ to use - it's basically impossible to quickly center your hand on them from home row.)