You've moved on from Andre Jackson being drafted in 2nd round as a development failure to Steph Castle's development being underwhelming?
And these are the last #10 overall recruits and what they did, it's crazy to suggest Castle's development was underwhelming. Even becoming a rotation player is not a given for that level of recruit.
Cason Wallace - 1.10 after freshman season
Scoot Henderson - 1.3 skipped college for G League
Greg Brown III - 2.13 after freshman season
Tyrese Maxey - 1.21 after freshman season
Quentin Grimes - 1.25 after junior season
Hamidou Diallo - 2.15 after freshman (RS) season
Thon Maker - 1.10 after skipping college
Stephen Zimmerman - 2.11 after freshman season
Rashad Vaughn - 1.17 after freshman season
James Young - 1.17 after freshman season