Al-Hilal actually are very disappointed with their bet on Neymar and big money spent to this player while in return they got very limited contributions from him. With latest things around Neymar, chance for him to return to Europe is very small too and maybe he will have to look for another club in Saudi Professional League or return to his home land Brazil to play very last seasons in his career.
As happy as a club is to get a star player, it still can't cover up the disappointment towards its players, especially since there is no insight generated from the player on the field. I often see Neymar on social media actively attending an event and many comment on whether he is seriously injured or not because if he is in bad condition he should be able to show more respect to Al-Hilal and this seems like an arbitrary act.
In the Saudi league alone he has no control to play the match let alone return to Europe and it feels very impossible. The most realistic thing for him is to retire after making a lot of money here, even if he returns to Brazil no one can pay his salary and besides that it will only add problems for the team he is defending and I don't think that's good.
Neymar is often injured and it is bad luck for Al Hilal because they have to accept the fact that Neymar has a long injury. The club certainly has not received any benefits from the expensive purchase. But if he can fix everything after recovering, he can still get a place in the team.
Returning to Europe can only happen when Neymar is willing to play in a team with a fairly low salary. And I think that can only be done when he has free transfer status. So he can choose a club that really wants him to serve for the rest of his career as a professional player.
That is going to be difficult for these guys coming playing to Saudi League and getting pay really well despite their ages, for sure no other team in Europe would pay them as much as they are being paid in Saudi Arabia and Saudi Arabia is the richest country on earth so difficult to compete with them in this regard. Al Hilal is a great team, the reigning Champion I think but that the best contribution to the team has been from Alexander Mitrovic if I am not mistaken although Al Hilal overall has much better players than Al Nassr and that is why they have won, Cristiano alone at Al Nassr is not that can do much although he has done a great job there and is loving football here, as he said I see myself playing for at least another 2 years here at Al Nassr.