There are rumors in the Spanish press that Arda Güler will want to move to another team next year if Ancelotti stays at Real Madrid. He scored 3 goals and 5 assists in 27 games this season. Also, it is written in the same sources that Paris Saint Germain want to transfer him. I think France League 1 is a good option for his development. In the comfort zone of Paris Saint Germain in France Ligue 1, he can take his development to higher levels.
Three goals and five assists in 27 matches is definitely not a good performance for the team. As the transfer market is buzzing with rumors that the club might sell him due to his performances, there may be some truth to the rumours. PSG are in need of quality players at the moment, if Real Madrid sells this player then PSG may be interested in taking this player to their club. If PSG offer this player and if Arda Guler accepts that offer then I think he can perform well for PSG and score more goals and assists at the end of the season. For Real Madrid, this player has played important matches like La Liga and Champions League where the opponents were tough, but if he plays for PSG, he will not have such tough opponents, so he will have more chances to do well there.
The competition in Real Madrid is very tight so he is thinking of seeking new experiences by leaving Real Madrid. I think it is a good choice because he dares to leave his comfort zone and think more about his career.
Paris Saint Germain is interested? If he can get more playing minutes, then it would be a good choice for him. But he also has to be ready for other possibilities. Like it would be difficult to leave a team when he is playing well or not getting competitive experience there.
I think it's better to perform regularly for a small club than to sit on the bench at a big club. This player currently has the opportunity to play in the regular eleven for Real Madrid, but when the injured players recover and return again, he will not have the opportunity to play in the original eleven. Since he has not performed well despite getting enough opportunities in this season, it is unlikely that the team will plan with him in the next season, so he should decide to change this team if there is demand. If this player plays for PSG I believe he will do very well in Ligue 1 and he will score well every season. Now leaving Real Madrid to PSG and after playing for PSG for a few seasons he can leave PSG and go to the Saudi League so I think it would be the right decision for him to leave Real Madrid and go to PSG.