I wish he could hit that note. I know it's really high, but it really adds a kick you in the face element to the song IMO. I definitely like the studio recording better. That said, I agree, Scott just can't hit that pitch and make it sound good live. He struggled with it at the Rolling Rock show (at that tour) and that was back when he was in MUCH better singing shape. Given all that, I think it's the better route to sing that part the way he's singing it. All in all it still sounds pretty cool.
Off topic, I hate the way he's doing Big Bang Baby on this tour. I think they should scratch that one altogether if he can't sing it the way he did on the album.