Actually, the ghetto was also used by jews as confinement for their own health... their hygiene and separation avoided them death by the plagues.
That article is an absolute revision. It was the majority outside dying which persecuted jews accusing them of throwing a curse at them. The muslim who are “majoritist” conforming lemmings like socialists want to do the same
Ghettoization was deliberate plan by the Germans to concentrate as many Jews as possible in as small an area as possible prior to their being deported to the death camps. If any of them became ill or starved to death , so much the better.They SS didn’t give damn about the health and hygiene of any Jew in the ghetto.