A Four Corners report on competition issues in Woolworths and Coles “went off the rails” last night after Brad Banducci questioned former ACCC chair Rod Sim’s relevance.

Mr Sims repsonded to the comments on 6PR Breakfast, and told Millsy and Karl he didn’t take the remarks personally.

“It raised a whole lot of issues that need to be looked at,” Mr Sims said.

“In relation to Brad, I think he’s genuine point is that I’m two years out-of-date with the competition data.”

Press PLAY to hear the full interview