Completely agree, however he definitely gave it away a few times vs Lyon; which isn't a problem at all. If he never gave the ball away he'd be Lionel Messi. Also think you're being a tad harsh on Ofoborh, thought he looked great in all his appearances.
What impressed me the most with Kilkenny was his willingness to not only track back, but to get stuck in with some tackles. This is actually what I think a lot of us were impressed with in Brooks last season, in a similar kind of pre-season fixture. Kilkenny also proved you don't need bags of pace to be deadly when counter attacking, he carried the ball forward quickly and used it intelligently.
Personally, I don't think we should loan him out at all. He'd do well to get used to our playing style, instead of sending him out to some football league team.