Shots fired! Player development in Edmonton Oilers system blasted. What does it mean?

This in from Elliott Friedman of Sportsnet on “unhappiness” in the Edmonton Oilers organization about player development at the American Hockey League level:  “I did not see Ziyat Paigin myself, but there is disappointment that he has asked to go back to Russia, especially after a summer where he stayed to train in Edmonton. Rightly or wrongly, there is a feeling too many of their prospects are not panning out there.”
My take
It’s hard to know where this is co