Oh god dammit. Nothing against you, just what you did. FanGraphs scouting is the worst, and it's entirely too common.
The curveball being gone is real, but the groundballs aren't (they came with a significant increase in two seam fastballs).
He's not considered an elite prospect. There is most to prospectdom than elite prospect with #1 upside/potential. He's been a very well thought of prospect for a while now, top 50 twice with BA from his BBref page, and come on....You haven't even seen the guy?