There are many theories about why Punch and Judy became so popular in England. One theory is that the show's violence and humor appealed to the working class, who enjoyed seeing the upper classes being satirized. Another theory is that Punch and Judy provided a safe outlet for expressing anger and aggression, allowing people to laugh at their own misfortunes.
Whatever the reason, Punch and Judy remains a popular form of entertainment to this day. It is often performed at fairs and festivals, and can also be seen on television and in film.