Arda Guler is too young to be compared with Eden Hazard, he won't end up like Eden Hazard either. This is just the genesis of his career with Real Madrid. I doubt if he is the first player to be hurt with injury in his first season.
The head of the club has assured him over his game time that he will have his time. Player's returning from injuries are meant to be rushed into the team to play so they don't get injured again.
He has been accessed by the medicals and doctors and was given the go ahead. When it's right, Carlo Ancellotti will let him have his chance.
Even if what you say is true but in the end we also have to remember that Arda Guller's club now is Madrid who are unforgiving when a player does not match the expectations they want because it could be that even though he is still young he still does not rule out the possibility of being wasted.
Arda must be able to develop according to the expectations that Madrid has because that is his hope to be able to stay at Madrid but when he has problems with injuries that make in the end his performance decreases again and again then it could be the same fate as Hazard by continuing to stay on the bench will happen.