Yet, you could have shown the solidarity with Serbs (and Kosovo Gypsies) in their time of need. (Serbs were one the few European nations who resisted Hitler against the overwhelming odds as Poles and Greeks did).
Such gesture would be remembered long by the Balkan Christians and appreciated by the Christians in the Middle East.
"Serbs were one the few European nations who resisted Hitler against the overwhelming odds as Poles and Greeks did"
They might have done, but it didn't prevent their vicious anti-Semitism, anti-Semitism which in many ways was and is far deeper than anything the Nazis could come up with.