Do you want to be the person who has to explain why your userbase just dropped 20% because you didn't want to ban porn? If Apple says you want to ban something,

Do you want to be the person who has to explain why your userbase just dropped 20% because you didn't want to ban porn? If Apple says you want to ban something, it's getting banned. "Globally" is also not a good metric here, since the vast majority of tumblr users came from english speaking countries.