 As an MP, Genter criticised the 2008–2017 National government for spending billions of dollars on motorways, called for a nationwide mental health inquiry, and questioned Health Minister Jonathan Coleman on his use of a Coca-Cola funded study.In January 2017 Genter criticised former Green Party issues director Laila Harré, stating that the reason Harré gave for resigning from the Greens was not factual.Genter quickly apologised to Harré stating "regret any slight to your integrity".