The way a funny story is told can make or break it. The Purim story is characterised by hippuch - sudden change. His wish is apparently fulfilled by a decree sent to all the countries of Ahasuerus' empire. In a short moment everything is turned around on its head. Jews always take great interest in humour.
Religion however is serious while humour is thought of as a light topic.
Humour though does not have to be trivial. It does not have to lead to ridicule. Comedy can also be a serious business. Jewish Humour is about living in a world which appears to make no sense. Jackie Mason asks why are there so many Jewish doctors.