Actually, it can still be done because if you look at the names Joselu and Brahim Dias, they are not new names for them and they bring back these players when needed but of course this does not mean they will bring back Benzema because seeing from what Ancelotti is doing now they will only bring players according to the needs they face.
Benzema is a good striker but that can't be said for him because with his age and the vulnerability of his legs, it's difficult to bring him back.
That's not to say that Madrid are against old players because in the end, that can be broken with Modric in the squad but for now we can see that Benzema's condition cannot be forced at Madrid for several reasons that we ourselves know are difficult to force.
I still feel that a new name will grace Madrid's attack next season and it won't be Benzema.
Real Madrid is one of the visionary clubs which never run behind players which they left once because they are having system which is producing world's best players, and they are also having ability to buy the biggest names in game while currently they are having best squad which is capable of doing anything in any condition with too many rumours about Kylian Mbappé, but these are also not going to be predictable because they are doing impressive without him which is clearly showing strong they are in quality.
Karim Benzema is having issues in Saudi League just because of this many were feeling he is coming back but most chances nothing happening like this for the Real Madrid because they are looking into future instead of going for past right now we have few rumours if he will be back in Europe then most chances he will join Chelsea or Lyon.
Currently, Real Madrid is now off loading Luka Modrić which is also spend 12 years here and now almost 38 years with impressive career is going to end new generation players are ready for taking over and doing their best in coming years.