I caught that as well. Although it does raise the issue of why a mixed school (If Goldstein could be Jewish, then the Patil twin are probably Hindu) would celebrate Nittel Nacht (let’s keep this topical) so extravagantly. And that’s besides the fact it’s unlikely any wizarding folk are in any way religious.
Do you suppose Nosson Goldstein (as he should now be known, unless you have a better match) lit a menorah in the Ravenclaw common room, next to the statue of Rowena Ravenclaw?