Black Ferns captain Sarah Hirini raised a few eyebrows after she dropped the f-bomb on live TV - and it's prompted some debate.

After the team claimed the world championship title in Los Angeles, Hirini gave a post-match interview, which sparked some controversy. 

NZ Herald rugby writer Gregor Paul wrote an opinion piece critiquing the practice of post-match interviews - and he stands by it.

"I'm not a big fan of sports stars - or anyone really - swearing in public as part of an entertainment package, I think it's unnecessary."

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