Fox also said the promotional blunder was an example of the point made by Kiwi filmmaker Taika Waiti, who called out racism in New Zealand.
"If we would only acknowledge our own history, it would alleviate the institutional racism that is precisely what Taika is talking about.
"It's part our growing up that we learn from our mistakes."
The Hurricanes apologised for any offence caused by the post, and said the person who made the post wasn't aware of the history it invoked.
"The Hurricanes acknowledge we have made a genuine mistake in regards to a promotion for Friday's match against the Chiefs by referring to a Taranaki Land War. We have unreservedly apologised to Taranaki whānui and Waikato Tainui iwi for any offence caused," the club said in a statement.
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