They drafted Povich and then traded him after 1 year in the organization. If he was "90% MLB ready" then you need to give 80% of the credit to the University of Nebraska.
Go ahead and count him. Like Festa and Mathews he's been below replacement value so far. Other organizations are just as successful at producing back-end starters.
Go look at the top 30 prospects for other teams.
Team and # of pitching prospects 40FV or greater per Fangraphs
TBR 21, COL 20, LAD 17, BOS 17, TEX 17, ATL 15, TOR 15, CIN 15, NYY 14, PIT 14, KCR 13, MIL 12, MIA 12, SDP 11, OAK 11, DET 11, ARI 11, PHI 10, WSN 10, CLE 10, CHW 10, SEA 10, MIN 10, SFG 10, LAA 10 BAL 9, NYM 9, STL 9, HOU 8