Gareth Morgan described his most recent policy suggestions as a "Democracy Reset"

Gareth Morgan wants to sell off TVNZ, saying that journalists at the state-owned television broadcaster have lost their integrity.

He would also consider selling off state radio broadcaster RNZ, and use the money raised from the sale to invest in better public broadcasting.

Morgan didn't hold back during a press conference held outside TVNZ in central Auckland on Tuesday morning.

Gareth Morgan says he has had enough of TVNZ presenters such as Mike Hosking, who is pictured.

"What is the public good that TVNZ is producing? I'd say zero," he said.

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"It's in a headlong race with corporate media, and it's got to fight them for survival, because its business model is revenue-based.

CHRIS MCKEEN / FAIRFAX NZ Gareth Morgan delivered scathing criticism of TVNZ during a press conference outside the broadcaster's Auckland office.

"What the hell is the taxpayer doing investing in something like this?"

Under Morgan's new policy, TVNZ would be sold off and the proceeds would be used to set up a Public Journalism Fund as part of NZ On Air.

Various media companies would then be able to compete for the funding.

"It would employ journalists who haven't lost their integrity, and would be so relieved to get it back, to produce product that is in the public interest," he said.

TVNZ reporter Will Hine questioned Morgan on whether he thought reporters at the broadcaster had lost their integrity.

"That's exactly what I'm saying," said Morgan.

"Their whole survival depends on the corporate agenda."

Morgan laughed when questioned about how he would distinguish between journalists who had integrity, and those who did not.

"I think you're missing my point," he said.

"I'm not saying you're all a bunch of ratbags. What I'm saying is the pressure on you from the corporate system means you have to serve your masters."

Morgan also took issue with what he said was a celebrity culture surrounding television reporters, and said he had had enough of hearing the opinions of presenters such as Mike Hosking.

"You have to make yourself into a star, because that's the way, and sit in front of the TV and tell us all your view," he said.

"Well, I don't give a stuff ... I just want the truth back thanks."

Emma-Kate Greer, general manager of corporate communications for TVNZ, said questions regarding TVNZ ownership and its obligations under the TVNZ Act were a matter for the Government.

"We're not going to comment on his [Gareth Morgan's] other opinions," she said.

RNZ said it would not be commenting on a political party's policy proposal.

Morgan is describing his latest policy announcements as a "Democracy Reset".

He also wants government ministers to stop running their offices like corporations, and said there should be greater transparency around requests for public information.

Morgan believes voters need better civics education, and suggests people should have a greater say over the decisions that affect them.

As part of that, The Opportunities Party plans to trial what it calls "deliberative democracy", by letting party members help develop policies in areas such as drug reform.

He is also calling for a constitution that includes the Treaty of Waitangi, and equal opportunities for women, children, and ethnic minorities.

Morgan's proposed constitution would also safeguard nature, guaranteeing "the right of our endemic ecosystems to exist and thrive".

Morgan is yet to release his party's economic policy.