[SJackson]

Which begs the question, did so many Jews survive in France precisely because the French were in charge of the roundups, as opposed to the Germans?

Kind of, I guess. The Germans gave Vichy quotas. At the time over half the Jews in France were refugees from eastern Europe. Vichy filled the quotas from those first. Of the 77,000 Jews from France murdered, 2/3 or a little more were refugees. France is third in individuals recognized in Yad Vashems Righteous Among the Nations, after Poland and the Netherlands. French Jewish citizens were more likely to be sheltered or smuggled to Switzerland or Spain than refugees, presumably because of existing relationships.

[dfwgator]

Also the Germans really couldn’t spare the manpower in France, once they invaded the Soviet Union, they basically had to rely on the French to do their dirty business.