Tui Beer are under fire after referencing Philip Polkinghorne in their latest 'Yeah right' campaign.

The new billboard reads: "Back to being a respectable meth smoking, sex worker loving doctor then. Yeah right."

Polkinghorne was acquitted last month of murdering his wife, Pauline Hanna, after an eight week long trial in the High Court at Auckland. 

Marketing expert Mike Hutcheson joins Jack Tame to discuss whether this was a bad move. 

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