LO is a very Jewish-friendly carrier. Just like Poland itself. Some of Basia’s best customers.
Flights can be 90%+ Hasidic Jews on PL-TLV. B737 have experienced Pursers who know how to accommodate pax.
While LO is in no way an ethnically diverse carrier perhaps their history compensates for what with LH is is much needed diversity with their crew. The issue of LH racism crops up once in a while here on the forum.