The Arabs have nothing to do with this they happen to rule the land Jews in exile dreamt of living in for over 2000 years

In the 20th century Jews started to be treated bad in Arab/Muslim countries actually earlier in places like Yemen or Iran Which is why so many emigrated from there during the ottoman era

Yes Israeli school do teach about the Sephardic golden age not that much but it's not like we are taught about Ashkenazi history we talk more about revolutions than anything else

Just to add to the first point the holocaust reached Arab Maghreb and Iraq so it wasn't only the Germans