Scott Morrison's controversial 2019 pick for a marginal NSW seat says the Coalition has shifted Indigenous policy "into reverse" and is regurgitating failed policies in its Closing the Gap rewrite.

Businessman and commentator Warren Mundine has singled out Indigenous Australians Minister Ken Wyatt for criticism in an opinion piece for The Australian Financial Review on Tuesday, criticising the approach taken by a coalition of Aboriginal and Torres Strait Islander groups in development of new targets to address disadvantage.