These singers make boy bands look rebellious. They make Cliff Richard look like an exponent of heavy metal. This is part of the culture. Meals are designed to deter foreigners from invading and taking cultural advantage. Cantonese cooking is very good, though it is a restaurant cuisine.
Most people eat most meals in restaurants so restaurants are considered an extension of the home.
For this reason every meal contains at least one ingredient that is a part of the animal that you rather wish you hadn't recognised. If there aren't enough nasties to get the gweilos feeling yeuchy then locals can discuss unpleasant delicacies like live rat embryos or monkey brains scooped warm from the skull. Many restaurants have a special menu in English that leaves out some of the best Cantonese food but does have items on it that no Chinese would ever order or recognise as Chinese food. Of course, Hong Kong is an international city and has restaurants offering dishes from all over the world. Some of them are quite good.