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...when the tools scout actually demonstrates that his abilities exceed random chance. Z might be one of those...the rare GM/scouting group combo that can pick 'em better than a random raffle at the group of 500 guys who MIGHT be impact players based on their pure tools.
G_Money is one of them, I'm quite sure. Why he doesn't have a job as a scout is beyond me.
But the vast majority of scouts are a waste of money...teams hire guys they like to do the scouting and most of them suck at it...sorry.