Maybe it felt that way as the ones watching had already been there over an hour or so already and had enough of it all? at the end they put up the winners that they didnt broadcast, so its a long night for them all as it is, they were probably hot and just wanted the loo or a drink.
She wasnt that bad and looked happy enough with how it was going i thought, there are always going to be ones that dont laugh or find it amusing or whatever, there always is whoever is doing it.