That's fucked up. A haka should be taken very seriously. She used a haka to make the statement specifically to utilize the most powerful tool available to convey the message. It's a traditional form of communication of the people she represents. She was doing her job in the best way possible. They clearly missed the entire point, since they are treating it the same as "yelling", as if it was a childish reactionary response, instead of a carefully considered and measured response.