Why do they need protection? What's the difference between one morally repugnant cultural heritage like bullfighting and another morally repugnant cultural heri

Why do they need protection? What's the difference between one morally repugnant cultural heritage like bullfighting and another morally repugnant cultural heritage like dog fighting or cockfighting? How about footbinding? Eating sea turtles? Female circumcision? Doing something shitty for a long time doesn't affect how bad it is, just how hard it will be to stop.