^Yeah, that's actually the point.
*SPOILERS*
They make a point that when Reapers die, they fade away. But IIRC you could see Sho's arm sticking out of the pile of junk, which means he can't possibly have been killed.
They also make it pretty clear that Sho is one of the strongest characters, after Neku and Joshua.
*END SPOILERS*
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