Avi , you ‘re granting them too much benefit of the doubt.
Fact is many North American jews didn’t care enough to disturb their routine.(that would include several of my own relatives)They were more than a few Jewish America Firsters.
A friend of my mine whose grandfather in Toronto was financially actively aiding during & after the holocaust related that he asked his grandfather once how come his peers didn’t do as much
Response: They didn’t care enough