The Hurricanes star said Ioane thought he had dived on him as he tried to stop the Blues midfielder from scoring.
Apartheid stopped Ben Couch from playing in South Africa, but 70 years later his great-grandson is playing there.
The All Blacks coach said World Rugby needs to take action after controversial calls went against the Wallabies and the All Blacks.
Hansen said the sport is being ravaged by uncertainty for players, coaches and spectators and has demanded World Rugby start listening.
The AB’s coach said Shannon Frizell, Jack Goodhue, Jackson Hemopo and Richie Mo’unga stood up in the third test in Dunedin.
Workaholic lock Barrett was a standout performer in the 49-14 rout of France in Dunedin, maintaining his high standards from the first two Tests.
McKenzie crossed twice, scored 24 points and pulled the strings in a slick New Zealand display on Saturday after the tourists had begun in compelling fashion.
Hansen didn't deny his team had received the rub of the green, he said France were doing themselves no favours by dwelling on negatives.
Eben Etzebeth is building up Saturday's New Zealand v South Africa as world rugby's biggest game.
Sport24's Mark Keohane is predicting that Steve Hansen's men will struggle against their traditional foes this year.
Frizell is set to debut for the All Blacks in Dunedin for the final Test against France on Saturday.