Because he is such a huge assett to the company and need him around? No. If they allowed Justin Gabriel to quit then Zack Ryder could up and leave whenever he wants. Oh and before you up and say "Ryder was over in 2011 at Survivor Series" for the billionth time and that Gabriel never was, don't bother. That is irrelevant. Recently, both Gabriel and Ryder were in the exact same unused jobber talent position. He spends the majority of his time at home anyway and it would mean not wasting money on an unused talent.
Or they could be refusing to grant his release.
This muppet would have left by now if he wanted to.
So no RyderFan" (which btw is an awkward name to have to type out) it appears Zack enjoys his easy living and pay check with WWE despite having grievances about not being used.
Or it could be Vince hates anything he didn't create or can take credit for. Z! True Long Island Story, a YouTube show Zack created of his own accord, got Zack over, not anything on WWE TV. He's trying to keep the Ryder situation as quiet as possible. Forcing him to stay and job would be better than releasing him and having him free to cut shoot promos, make more YouTube shows and get over elsewhere. Thing with Gabriel is that Gabriel was never as over as Zack was and is. Zack may spend the majority of his time at home but I'm sure Vince's ego would rather he was at home than getting over elsewhere.
So Creep*, (Don't see how your name is anymore awkward than mine.) It could be Zack want to keep his job despite his grievances, it could be that he's asked for it and got denied. Neither one of us knows the full story right now.