Backlash throughout New Zealand's rugby community as Sir Steve Hansen takes on a role across the ditch.

The former All Blacks coach has joined the Australians in France as the Wallabies gear up to complete their tournament preparation against the World Cup hosts this weekend.

Former All Black Josh Kronfeld says it's common for coaches to offer their services across the world once their time is up.

"My understanding is- Steve and Eddie have always kept up a bit of a relationship outside of their rugby warfare. It seems kind of logical, in a lot of respects, for Steve to go over and give him a helping hand- and feed his pockets."

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