US-based Zionist groups like the ADL are saying it was just an awkward gesture, while their counterparts in Canada - B’nai Brith, CIJA, FSWC - have said nothing.
These groups don't actually care about fighting antisemitism. They care about protecting Israel.
ADL: A Palestinian Keffiyeh is the same as a Nazi swastika
Also the ADL: A Nazi salute is an awkward gesture