Sergi Palencia was a good servant for the B team but never first team material and he's currently stuck on loan at Leganes as he rarely featured for Saint Etienne. Wague wasn't doing that great on loan before his bad injury.
I've been satisfied with Dest, even though I had my own skepticism. Doesn't help the fact Roberto got injured awhile back and has been asked to play 99% of the games since then. Add to the fact this team is Dysfunctional right now and we can't fix it due to not having the funds to do so at this time.
It's a learning year for Dest and I'm not going to give him much shit for it either.
Sure, and at the end of the day, the club also has a big responsibility for developing players. It's not as if players develop on their own as some think. The more successful a team is in terms of preparation, tactics, quality of the manager, long-term planning, etc., the most likely it is for young players to develop faster.
The worse you are in this areas, the less likely it is for the average talented player to develop well.