It’s not fair to claim ever time Jews were expelled it was justified
Often it was politics by medieval mores
Or in the case of the English case which began with Edward longshanks who I actually overall admire it was to evade the debt owed them and to make a deal with parliament
They didn’t return till arch Protestant Emperor Cromwell 400 years later except a few they made deals with on occasion out of expediency
109 countries, over 1000 times total?